51655496 has 32 divisors (see below), whose sum is σ = 102108600. Its totient is φ = 24460800.

The previous prime is 51655489. The next prime is 51655501. The reversal of 51655496 is 69455615.

It can be written as a sum of positive squares in 4 ways, for example, as 38068900 + 13586596 = 6170^2 + 3686^2 .

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, 10196 + ... + 14396.

Almost surely, 2^51655496 is an apocalyptic number.

It is an amenable number.

51655496 is a deficient number, since it is larger than the sum of its proper divisors (50453104).

51655496 is a wasteful number, since it uses less digits than its factorization.

51655496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4289 (or 4285 counting only the distinct ones).

The product of its digits is 162000, while the sum is 41.

The square root of 51655496 is about 7187.1758013840. The cubic root of 51655496 is about 372.4250162118.

The spelling of 51655496 in words is "fifty-one million, six hundred fifty-five thousand, four hundred ninety-six".