57276344 has 64 divisors (see below), whose sum is σ = 117089280. Its totient is φ = 26208000.

The previous prime is 57276337. The next prime is 57276353. The reversal of 57276344 is 44367275.

It is a super-3 number, since 3×57276344³ (a number of 24 digits) contains 333 as substring.

Its product of digits (141120) is a multiple of the sum of its prime factors (252).

It is a junction number, because it is equal to n+sod(n) for n = 57276298 and 57276307.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 437159 + ... + 437289.

It is an arithmetic number, because the mean of its divisors is an integer number (1829520).

Almost surely, 2^57276344 is an apocalyptic number.

It is an amenable number.

57276344 is an abundant number, since it is smaller than the sum of its proper divisors (59812936).

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

57276344 is a wasteful number, since it uses less digits than its factorization.

57276344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252 (or 248 counting only the distinct ones).

The product of its digits is 141120, while the sum is 38.

The square root of 57276344 is about 7568.1136355105. The cubic root of 57276344 is about 385.4710465362.

The spelling of 57276344 in words is "fifty-seven million, two hundred seventy-six thousand, three hundred forty-four".