57266402 has 6 divisors (see below), whose sum is σ = 85915659. Its totient is φ = 28627850.

The previous prime is 57266401. The next prime is 57266423. The reversal of 57266402 is 20466275.

57266402 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., 28633201 + 28633201 = 5351^2 + 5351^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=5351.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57266401) 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 2 ways as a sum of consecutive naturals, for example, 8027 + ... + 13377.

Almost surely, 2^57266402 is an apocalyptic number.

57266402 is a deficient number, since it is larger than the sum of its proper divisors (28649257).

57266402 is an frugal number, since it uses more digits than its factorization.

57266402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10704 (or 5353 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 57266402 is about 7567.4567722584. The cubic root of 57266402 is about 385.4487419532.

Multiplying 57266402 by its sum of digits (32), we get a square (1832524864 = 42808²).

The spelling of 57266402 in words is "fifty-seven million, two hundred sixty-six thousand, four hundred two".