51572832 has 48 divisors (see below), whose sum is σ = 143346672. Its totient is φ = 16179200.

The previous prime is 51572803. The next prime is 51572839. The reversal of 51572832 is 23827515.

It is a tau number, because it is divible by the number of its divisors (48).

It is a junction number, because it is equal to n+sod(n) for n = 51572793 and 51572802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51572839) 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, 14169 + ... + 17432.

It is an arithmetic number, because the mean of its divisors is an integer number (2986389).

Almost surely, 2^51572832 is an apocalyptic number.

It is an amenable number.

51572832 is an abundant number, since it is smaller than the sum of its proper divisors (91773840).

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

51572832 is a wasteful number, since it uses less digits than its factorization.

51572832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31631 (or 31623 counting only the distinct ones).

The product of its digits is 16800, while the sum is 33.

The square root of 51572832 is about 7181.4227002733. The cubic root of 51572832 is about 372.2262469240.

The spelling of 51572832 in words is "fifty-one million, five hundred seventy-two thousand, eight hundred thirty-two".