557295978 has 16 divisors (see below), whose sum is σ = 1117257120. Its totient is φ = 185321136.

The previous prime is 557295931. The next prime is 557295983. The reversal of 557295978 is 879592755.

557295978 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108325 + ... + 113352.

It is an arithmetic number, because the mean of its divisors is an integer number (69828570).

Almost surely, 2^557295978 is an apocalyptic number.

557295978 is an abundant number, since it is smaller than the sum of its proper divisors (559961142).

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

557295978 is a wasteful number, since it uses less digits than its factorization.

557295978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222101.

The product of its digits is 7938000, while the sum is 57.

The square root of 557295978 is about 23607.1171048055. The cubic root of 557295978 is about 822.9282467302.

The spelling of 557295978 in words is "five hundred fifty-seven million, two hundred ninety-five thousand, nine hundred seventy-eight".