57230464 has 32 divisors (see below), whose sum is σ = 117699840. Its totient is φ = 27690240.

The previous prime is 57230461. The next prime is 57230477. The reversal of 57230464 is 46403275.

It is a tau number, because it is divible by the number of its divisors (32).

It is a Harshad number since it is a multiple of its sum of digits (31).

It is not an unprimeable number, because it can be changed into a prime (57230461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3244 + ... + 11179.

It is an arithmetic number, because the mean of its divisors is an integer number (3678120).

Almost surely, 2^57230464 is an apocalyptic number.

It is an amenable number.

57230464 is an abundant number, since it is smaller than the sum of its proper divisors (60469376).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

57230464 is a wasteful number, since it uses less digits than its factorization.

57230464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14468 (or 14456 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 31.

The square root of 57230464 is about 7565.0818898410. The cubic root of 57230464 is about 385.3680945747.

The spelling of 57230464 in words is "fifty-seven million, two hundred thirty thousand, four hundred sixty-four".