57053520 has 60 divisors (see below), whose sum is σ = 191607156. Its totient is φ = 15214080.

The previous prime is 57053489. The next prime is 57053533. The reversal of 57053520 is 2535075.

It can be written as a sum of positive squares in 2 ways, for example, as 40602384 + 16451136 = 6372^2 + 4056^2 .

It is a tau number, because it is divible by the number of its divisors (60).

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 38901 + ... + 40340.

Almost surely, 2^57053520 is an apocalyptic number.

It is an amenable number.

57053520 is an abundant number, since it is smaller than the sum of its proper divisors (134553636).

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

57053520 is a wasteful number, since it uses less digits than its factorization.

57053520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79260 (or 79251 counting only the distinct ones).

The product of its (nonzero) digits is 5250, while the sum is 27.

The square root of 57053520 is about 7553.3780522360. The cubic root of 57053520 is about 384.9705267818.

Adding to 57053520 its reverse (2535075), we get a palindrome (59588595).

The spelling of 57053520 in words is "fifty-seven million, fifty-three thousand, five hundred twenty".