51965274 has 16 divisors (see below), whose sum is σ = 107514720. Its totient is φ = 16724400.

The previous prime is 51965261. The next prime is 51965297. The reversal of 51965274 is 47256915.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 149152 + ... + 149499.

It is an arithmetic number, because the mean of its divisors is an integer number (6719670).

Almost surely, 2^51965274 is an apocalyptic number.

51965274 is an abundant number, since it is smaller than the sum of its proper divisors (55549446).

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

51965274 is a wasteful number, since it uses less digits than its factorization.

51965274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298685.

The product of its digits is 75600, while the sum is 39.

The square root of 51965274 is about 7208.6943339276. The cubic root of 51965274 is about 373.1680105242.

The spelling of 51965274 in words is "fifty-one million, nine hundred sixty-five thousand, two hundred seventy-four".