51655264 has 24 divisors (see below), whose sum is σ = 105204960. Its totient is φ = 24936576.

The previous prime is 51655259. The next prime is 51655291. The reversal of 51655264 is 46255615.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26904 + ... + 28759.

It is an arithmetic number, because the mean of its divisors is an integer number (4383540).

Almost surely, 2^51655264 is an apocalyptic number.

It is an amenable number.

51655264 is an abundant number, since it is smaller than the sum of its proper divisors (53549696).

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

51655264 is a wasteful number, since it uses less digits than its factorization.

51655264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55702 (or 55694 counting only the distinct ones).

The product of its digits is 36000, while the sum is 34.

The square root of 51655264 is about 7187.1596615075. The cubic root of 51655264 is about 372.4244586542.

The spelling of 51655264 in words is "fifty-one million, six hundred fifty-five thousand, two hundred sixty-four".