57264291 has 36 divisors (see below), whose sum is σ = 97367400. Its totient is φ = 32332608.

The previous prime is 57264287. The next prime is 57264293. The reversal of 57264291 is 19246275.

57264291 is a `hidden beast` number, since 5 + 7 + 2 + 642 + 9 + 1 = 666.

57264291 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 57264291 - 2² = 57264287 is a prime.

It is not an unprimeable number, because it can be changed into a prime (57264293) 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 in 35 ways as a sum of consecutive naturals, for example, 38520 + ... + 39978.

It is an arithmetic number, because the mean of its divisors is an integer number (2704650).

Almost surely, 2^57264291 is an apocalyptic number.

57264291 is a deficient number, since it is larger than the sum of its proper divisors (40103109).

57264291 is a wasteful number, since it uses less digits than its factorization.

57264291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1568 (or 1558 counting only the distinct ones).

The product of its digits is 30240, while the sum is 36.

The square root of 57264291 is about 7567.3172921452. The cubic root of 57264291 is about 385.4440056549. Note that the first 3 decimals are identical.

The spelling of 57264291 in words is "fifty-seven million, two hundred sixty-four thousand, two hundred ninety-one".