57053340 has 72 divisors (see below), whose sum is σ = 180599328. Its totient is φ = 14551680.

The previous prime is 57053323. The next prime is 57053341. The reversal of 57053340 is 4335075.

It is a happy number.

57053340 is a `hidden beast` number, since 570 + 53 + 3 + 40 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57053341) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2751 + ... + 11030.

It is an arithmetic number, because the mean of its divisors is an integer number (2508324).

Almost surely, 2^57053340 is an apocalyptic number.

It is an amenable number.

57053340 is an abundant number, since it is smaller than the sum of its proper divisors (123545988).

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

57053340 is a wasteful number, since it uses less digits than its factorization.

57053340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13819 (or 13814 counting only the distinct ones).

The product of its (nonzero) digits is 6300, while the sum is 27.

The square root of 57053340 is about 7553.3661370279. The cubic root of 57053340 is about 384.9701219294.

It can be divided in two parts, 5705 and 3340, that added together give a triangular number (9045 = T₁₃₄).

The spelling of 57053340 in words is "fifty-seven million, fifty-three thousand, three hundred forty".