557905146 has 32 divisors (see below), whose sum is σ = 1138403328. Its totient is φ = 182226240.

The previous prime is 557905141. The next prime is 557905199. The reversal of 557905146 is 641509755.

It is a super-2 number, since 2×557905146² = 622516303866562632, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 557905098 and 557905107.

It is not an unprimeable number, because it can be changed into a prime (557905141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 98631 + ... + 104133.

It is an arithmetic number, because the mean of its divisors is an integer number (35575104).

Almost surely, 2^557905146 is an apocalyptic number.

557905146 is an abundant number, since it is smaller than the sum of its proper divisors (580498182).

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

557905146 is a wasteful number, since it uses less digits than its factorization.

557905146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5846.

The product of its (nonzero) digits is 189000, while the sum is 42.

The square root of 557905146 is about 23620.0157916967. The cubic root of 557905146 is about 823.2279791471.

The spelling of 557905146 in words is "five hundred fifty-seven million, nine hundred five thousand, one hundred forty-six".