52631328 has 24 divisors (see below), whose sum is σ = 138157488. Its totient is φ = 17543744.

The previous prime is 52631261. The next prime is 52631339. The reversal of 52631328 is 82313625.

52631328 is nontrivially palindromic in base 11.

It is a tau number, because it is divible by the number of its divisors (24).

It is a junction number, because it is equal to n+sod(n) for n = 52631295 and 52631304.

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, 274026 + ... + 274217.

It is an arithmetic number, because the mean of its divisors is an integer number (5756562).

Almost surely, 2^52631328 is an apocalyptic number.

It is an amenable number.

52631328 is an abundant number, since it is smaller than the sum of its proper divisors (85526160).

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

52631328 is a wasteful number, since it uses less digits than its factorization.

52631328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 548256 (or 548248 counting only the distinct ones).

The product of its digits is 8640, while the sum is 30.

The square root of 52631328 is about 7254.7452057257. The cubic root of 52631328 is about 374.7555811709.

The spelling of 52631328 in words is "fifty-two million, six hundred thirty-one thousand, three hundred twenty-eight".