52656144 has 40 divisors (see below), whose sum is σ = 143190240. Its totient is φ = 16627968.

The previous prime is 52656139. The next prime is 52656161. The reversal of 52656144 is 44165625.

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, 27957 + ... + 29780.

It is an arithmetic number, because the mean of its divisors is an integer number (3579756).

Almost surely, 2^52656144 is an apocalyptic number.

It is an amenable number.

52656144 is an abundant number, since it is smaller than the sum of its proper divisors (90534096).

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

52656144 is a wasteful number, since it uses less digits than its factorization.

52656144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57767 (or 57761 counting only the distinct ones).

The product of its digits is 28800, while the sum is 33.

The square root of 52656144 is about 7256.4553330121. The cubic root of 52656144 is about 374.8144717821.

The spelling of 52656144 in words is "fifty-two million, six hundred fifty-six thousand, one hundred forty-four".