57244680 has 48 divisors (see below), whose sum is σ = 186046380. Its totient is φ = 15265152.

The previous prime is 57244669. The next prime is 57244687. The reversal of 57244680 is 8644275.

57244680 is a `hidden beast` number, since 572 + 4 + 4 + 6 + 80 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 57244356 + 324 = 7566^2 + 18^2 .

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

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

It is not an unprimeable number, because it can be changed into a prime (57244687) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 79147 + ... + 79866.

Almost surely, 2^57244680 is an apocalyptic number.

It is an amenable number.

57244680 is an abundant number, since it is smaller than the sum of its proper divisors (128801700).

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

57244680 is a wasteful number, since it uses less digits than its factorization.

57244680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159030 (or 159023 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 36.

The square root of 57244680 is about 7566.0214115478. The cubic root of 57244680 is about 385.4000003052.

It can be divided in two parts, 5724 and 4680, that added together give a square (10404 = 102²).

The spelling of 57244680 in words is "fifty-seven million, two hundred forty-four thousand, six hundred eighty".