557498142 has 48 divisors (see below), whose sum is σ = 1224961920. Its totient is φ = 183229776.

The previous prime is 557498131. The next prime is 557498143. The reversal of 557498142 is 241894755.

557498142 is a `hidden beast` number, since 557 + 4 + 98 + 1 + 4 + 2 = 666.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (557498143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 407143 + ... + 408509.

It is an arithmetic number, because the mean of its divisors is an integer number (25520040).

Almost surely, 2^557498142 is an apocalyptic number.

557498142 is an abundant number, since it is smaller than the sum of its proper divisors (667463778).

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

557498142 is a wasteful number, since it uses less digits than its factorization.

557498142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1677 (or 1674 counting only the distinct ones).

The product of its digits is 403200, while the sum is 45.

The square root of 557498142 is about 23611.3985608646. The cubic root of 557498142 is about 823.0277428447.

The spelling of 557498142 in words is "five hundred fifty-seven million, four hundred ninety-eight thousand, one hundred forty-two".