52572736 has 14 divisors (see below), whose sum is σ = 104324150. Its totient is φ = 26286336.

The previous prime is 52572727. The next prime is 52572749. The reversal of 52572736 is 63727525.

It can be written as a sum of positive squares in only one way, i.e., 51840000 + 732736 = 7200^2 + 856^2 .

It is a junction number, because it is equal to n+sod(n) for n = 52572695 and 52572704.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 410661 + ... + 410788.

It is an arithmetic number, because the mean of its divisors is an integer number (7451725).

Almost surely, 2^52572736 is an apocalyptic number.

It is an amenable number.

52572736 is a deficient number, since it is larger than the sum of its proper divisors (51751414).

52572736 is an equidigital number, since it uses as much as digits as its factorization.

52572736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 821461 (or 821451 counting only the distinct ones).

The product of its digits is 88200, while the sum is 37.

The square root of 52572736 is about 7250.7058966696. The cubic root of 52572736 is about 374.6164635703.

The spelling of 52572736 in words is "fifty-two million, five hundred seventy-two thousand, seven hundred thirty-six".