57479790 has 16 divisors (see below), whose sum is σ = 137951568. Its totient is φ = 15327936.

The previous prime is 57479749. The next prime is 57479791. The reversal of 57479790 is 9797475.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57479791) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 957967 + ... + 958026.

It is an arithmetic number, because the mean of its divisors is an integer number (8621973).

Almost surely, 2^57479790 is an apocalyptic number.

57479790 is an abundant number, since it is smaller than the sum of its proper divisors (80471778).

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

57479790 is a wasteful number, since it uses less digits than its factorization.

57479790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1916003.

The product of its (nonzero) digits is 555660, while the sum is 48.

The square root of 57479790 is about 7581.5427189986. The cubic root of 57479790 is about 385.9269058979.

The spelling of 57479790 in words is "fifty-seven million, four hundred seventy-nine thousand, seven hundred ninety".