51010512 has 40 divisors (see below), whose sum is σ = 150603456. Its totient is φ = 14574336.

The previous prime is 51010511. The next prime is 51010541. The reversal of 51010512 is 21501015.

It is a junction number, because it is equal to n+sod(n) for n = 51010491 and 51010500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51010511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75573 + ... + 76244.

Almost surely, 2^51010512 is an apocalyptic number.

It is an amenable number.

51010512 is an abundant number, since it is smaller than the sum of its proper divisors (99592944).

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

51010512 is a wasteful number, since it uses less digits than its factorization.

51010512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151835 (or 151829 counting only the distinct ones).

The product of its (nonzero) digits is 50, while the sum is 15.

The square root of 51010512 is about 7142.1643778339. The cubic root of 51010512 is about 370.8684542702.

Adding to 51010512 its reverse (21501015), we get a palindrome (72511527).

The spelling of 51010512 in words is "fifty-one million, ten thousand, five hundred twelve".