57264436 has 6 divisors (see below), whose sum is σ = 100212770. Its totient is φ = 28632216.

The previous prime is 57264407. The next prime is 57264437. The reversal of 57264436 is 63446275.

57264436 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., 41216400 + 16048036 = 6420^2 + 4006^2 .

It is a junction number, because it is equal to n+sod(n) for n = 57264395 and 57264404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57264437) by changing a digit.

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, 7158051 + ... + 7158058.

Almost surely, 2^57264436 is an apocalyptic number.

It is an amenable number.

57264436 is a deficient number, since it is larger than the sum of its proper divisors (42948334).

57264436 is a wasteful number, since it uses less digits than its factorization.

57264436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14316113 (or 14316111 counting only the distinct ones).

The product of its digits is 120960, while the sum is 37.

The square root of 57264436 is about 7567.3268728131. The cubic root of 57264436 is about 385.4443309846. Note that the first 3 decimals are identical.

It can be divided in two parts, 5726443 and 6, that added together give a square (5726449 = 2393²).

The spelling of 57264436 in words is "fifty-seven million, two hundred sixty-four thousand, four hundred thirty-six".