51835212 has 72 divisors (see below), whose sum is σ = 153950160. Its totient is φ = 14497920.

The previous prime is 51835181. The next prime is 51835213. The reversal of 51835212 is 21253815.

It is a happy number.

51835212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (51835213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 114 + ... + 10182.

Almost surely, 2^51835212 is an apocalyptic number.

51835212 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51835212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76975080).

51835212 is an abundant number, since it is smaller than the sum of its proper divisors (102114948).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51835212 is a wasteful number, since it uses less digits than its factorization.

51835212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10103 (or 10098 counting only the distinct ones).

The product of its digits is 2400, while the sum is 27.

The square root of 51835212 is about 7199.6674923221. The cubic root of 51835212 is about 372.8564208632.

The spelling of 51835212 in words is "fifty-one million, eight hundred thirty-five thousand, two hundred twelve".