57752680 has 16 divisors (see below), whose sum is σ = 129943620. Its totient is φ = 23101056.

The previous prime is 57752633. The next prime is 57752683. The reversal of 57752680 is 8625775.

57752680 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 56160036 + 1592644 = 7494^2 + 1262^2 .

It is a Harshad number since it is a multiple of its sum of digits (40), and also a Moran number because the ratio is a prime number: 1443817 = 57752680 / (5 + 7 + 7 + 5 + 2 + 6 + 8 + 0).

It is not an unprimeable number, because it can be changed into a prime (57752683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 721869 + ... + 721948.

Almost surely, 2^57752680 is an apocalyptic number.

It is an amenable number.

57752680 is an abundant number, since it is smaller than the sum of its proper divisors (72190940).

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

57752680 is a wasteful number, since it uses less digits than its factorization.

57752680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1443828 (or 1443824 counting only the distinct ones).

The product of its (nonzero) digits is 117600, while the sum is 40.

The square root of 57752680 is about 7599.5184057939. The cubic root of 57752680 is about 386.5366817673.

The spelling of 57752680 in words is "fifty-seven million, seven hundred fifty-two thousand, six hundred eighty".