57323616 has 48 divisors (see below), whose sum is σ = 171972864. Its totient is φ = 16377984.

The previous prime is 57323611. The next prime is 57323639. The reversal of 57323616 is 61632375.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57323611) 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, 41980 + ... + 43323.

It is an arithmetic number, because the mean of its divisors is an integer number (3582768).

Almost surely, 2^57323616 is an apocalyptic number.

57323616 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

57323616 is an abundant number, since it is smaller than the sum of its proper divisors (114649248).

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

57323616 is a wasteful number, since it uses less digits than its factorization.

57323616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85323 (or 85315 counting only the distinct ones).

The product of its digits is 22680, while the sum is 33.

The square root of 57323616 is about 7571.2360945885. The cubic root of 57323616 is about 385.5770645725.

The spelling of 57323616 in words is "fifty-seven million, three hundred twenty-three thousand, six hundred sixteen".