57275064 has 96 divisors (see below), whose sum is σ = 193415040. Its totient is φ = 14875200.

The previous prime is 57275041. The next prime is 57275081. The reversal of 57275064 is 46057275.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 379 + ... + 10709.

It is an arithmetic number, because the mean of its divisors is an integer number (2014740).

Almost surely, 2^57275064 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 57275064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96707520).

57275064 is an abundant number, since it is smaller than the sum of its proper divisors (136139976).

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

57275064 is a wasteful number, since it uses less digits than its factorization.

57275064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10361 (or 10354 counting only the distinct ones).

The product of its (nonzero) digits is 58800, while the sum is 36.

The square root of 57275064 is about 7568.0290697116. The cubic root of 57275064 is about 385.4681750388.

The spelling of 57275064 in words is "fifty-seven million, two hundred seventy-five thousand, sixty-four".