56331552 has 24 divisors (see below), whose sum is σ = 147870576. Its totient is φ = 18777152.

The previous prime is 56331547. The next prime is 56331553. The reversal of 56331552 is 25513365.

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

It is not an unprimeable number, because it can be changed into a prime (56331553) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 293298 + ... + 293489.

It is an arithmetic number, because the mean of its divisors is an integer number (6161274).

Almost surely, 2^56331552 is an apocalyptic number.

It is an amenable number.

56331552 is an abundant number, since it is smaller than the sum of its proper divisors (91539024).

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

56331552 is a wasteful number, since it uses less digits than its factorization.

56331552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 586800 (or 586792 counting only the distinct ones).

The product of its digits is 13500, while the sum is 30.

The square root of 56331552 is about 7505.4348308409. The cubic root of 56331552 is about 383.3397943881.

The spelling of 56331552 in words is "fifty-six million, three hundred thirty-one thousand, five hundred fifty-two".