57864405 has 32 divisors (see below), whose sum is σ = 98058240. Its totient is φ = 29056320.

The previous prime is 57864397. The next prime is 57864409. The reversal of 57864405 is 50446875.

It is not a de Polignac number, because 57864405 - 2³ = 57864397 is a prime.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57864409) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 53904 + ... + 54966.

It is an arithmetic number, because the mean of its divisors is an integer number (3064320).

Almost surely, 2^57864405 is an apocalyptic number.

It is an amenable number.

57864405 is a deficient number, since it is larger than the sum of its proper divisors (40193835).

57864405 is a wasteful number, since it uses less digits than its factorization.

57864405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1281.

The product of its (nonzero) digits is 134400, while the sum is 39.

The square root of 57864405 is about 7606.8656488727. The cubic root of 57864405 is about 386.7857783887.

The spelling of 57864405 in words is "fifty-seven million, eight hundred sixty-four thousand, four hundred five".