57264445 has 16 divisors (see below), whose sum is σ = 79234560. Its totient is φ = 38916864.

The previous prime is 57264443. The next prime is 57264463. The reversal of 57264445 is 54446275.

It is not a de Polignac number, because 57264445 - 2¹ = 57264443 is a prime.

It is a super-2 number, since 2×57264445² = 6558433322316050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57264443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3285 + ... + 11194.

It is an arithmetic number, because the mean of its divisors is an integer number (4952160).

Almost surely, 2^57264445 is an apocalyptic number.

It is an amenable number.

57264445 is a deficient number, since it is larger than the sum of its proper divisors (21970115).

57264445 is a wasteful number, since it uses less digits than its factorization.

57264445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14604.

The product of its digits is 134400, while the sum is 37.

The square root of 57264445 is about 7567.3274674749. The cubic root of 57264445 is about 385.4443511775. Note that the first 3 decimals are identical.

It can be divided in two parts, 5726444 and 5, that added together give a square (5726449 = 2393²).

The spelling of 57264445 in words is "fifty-seven million, two hundred sixty-four thousand, four hundred forty-five".