57492780 has 24 divisors (see below), whose sum is σ = 160979952. Its totient is φ = 15331392.

The previous prime is 57492769. The next prime is 57492781. The reversal of 57492780 is 8729475.

57492780 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (57492781) 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 7 ways as a sum of consecutive naturals, for example, 479047 + ... + 479166.

It is an arithmetic number, because the mean of its divisors is an integer number (6707498).

Almost surely, 2^57492780 is an apocalyptic number.

It is an amenable number.

57492780 is an abundant number, since it is smaller than the sum of its proper divisors (103487172).

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

57492780 is a wasteful number, since it uses less digits than its factorization.

57492780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 958225 (or 958223 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 42.

The square root of 57492780 is about 7582.3993564043. The cubic root of 57492780 is about 385.9559759003.

The spelling of 57492780 in words is "fifty-seven million, four hundred ninety-two thousand, seven hundred eighty".