57256532 has 6 divisors (see below), whose sum is σ = 100198938. Its totient is φ = 28628264.

The previous prime is 57256523. The next prime is 57256571. The reversal of 57256532 is 23565275.

57256532 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 57214096 + 42436 = 7564^2 + 206^2 .

It is a junction number, because it is equal to n+sod(n) for n = 57256492 and 57256501.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7157063 + ... + 7157070.

It is an arithmetic number, because the mean of its divisors is an integer number (16699823).

Almost surely, 2^57256532 is an apocalyptic number.

It is an amenable number.

57256532 is a deficient number, since it is larger than the sum of its proper divisors (42942406).

57256532 is a wasteful number, since it uses less digits than its factorization.

57256532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14314137 (or 14314135 counting only the distinct ones).

The product of its digits is 63000, while the sum is 35.

The square root of 57256532 is about 7566.8046096090. The cubic root of 57256532 is about 385.4265963464.

The spelling of 57256532 in words is "fifty-seven million, two hundred fifty-six thousand, five hundred thirty-two".