51610632 has 32 divisors (see below), whose sum is σ = 129576480. Its totient is φ = 17130240.

The previous prime is 51610627. The next prime is 51610639. The reversal of 51610632 is 23601615.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (51610639) 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, 1323 + ... + 10245.

It is an arithmetic number, because the mean of its divisors is an integer number (4049265).

Almost surely, 2^51610632 is an apocalyptic number.

It is an amenable number.

51610632 is an abundant number, since it is smaller than the sum of its proper divisors (77965848).

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

51610632 is a wasteful number, since it uses less digits than its factorization.

51610632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9173 (or 9169 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 51610632 is about 7184.0540087057. The cubic root of 51610632 is about 372.3171650517.

The spelling of 51610632 in words is "fifty-one million, six hundred ten thousand, six hundred thirty-two".