57233512 has 32 divisors (see below), whose sum is σ = 123206400. Its totient is φ = 24416064.

The previous prime is 57233489. The next prime is 57233513. The reversal of 57233512 is 21533275.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is not an unprimeable number, because it can be changed into a prime (57233513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10593 + ... + 15055.

It is an arithmetic number, because the mean of its divisors is an integer number (3850200).

Almost surely, 2^57233512 is an apocalyptic number.

It is an amenable number.

57233512 is an abundant number, since it is smaller than the sum of its proper divisors (65972888).

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

57233512 is a wasteful number, since it uses less digits than its factorization.

57233512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4705 (or 4701 counting only the distinct ones).

The product of its digits is 6300, while the sum is 28.

The square root of 57233512 is about 7565.2833390429. The cubic root of 57233512 is about 385.3749358093.

Adding to 57233512 its reverse (21533275), we get a palindrome (78766787).

The spelling of 57233512 in words is "fifty-seven million, two hundred thirty-three thousand, five hundred twelve".