51070668 has 48 divisors (see below), whose sum is σ = 130448640. Its totient is φ = 15422400.

The previous prime is 51070667. The next prime is 51070681. The reversal of 51070668 is 86607015.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (51070667) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55113 + ... + 56031.

It is an arithmetic number, because the mean of its divisors is an integer number (2717680).

Almost surely, 2^51070668 is an apocalyptic number.

It is an amenable number.

51070668 is an abundant number, since it is smaller than the sum of its proper divisors (79377972).

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

51070668 is a wasteful number, since it uses less digits than its factorization.

51070668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1358 (or 1356 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 33.

The square root of 51070668 is about 7146.3744654195. The cubic root of 51070668 is about 371.0141837003.

The spelling of 51070668 in words is "fifty-one million, seventy thousand, six hundred sixty-eight".