557507492 has 6 divisors (see below), whose sum is σ = 975638118. Its totient is φ = 278753744.

The previous prime is 557507479. The next prime is 557507501. The reversal of 557507492 is 294705755.

It can be written as a sum of positive squares in only one way, i.e., 421645156 + 135862336 = 20534^2 + 11656^2 .

It is a super-2 number, since 2×557507492² = 621629207272260128, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69688433 + ... + 69688440.

It is an arithmetic number, because the mean of its divisors is an integer number (162606353).

Almost surely, 2^557507492 is an apocalyptic number.

It is an amenable number.

557507492 is a deficient number, since it is larger than the sum of its proper divisors (418130626).

557507492 is a wasteful number, since it uses less digits than its factorization.

557507492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139376877 (or 139376875 counting only the distinct ones).

The product of its (nonzero) digits is 441000, while the sum is 44.

The square root of 557507492 is about 23611.5965576240. The cubic root of 557507492 is about 823.0323439161.

The spelling of 557507492 in words is "five hundred fifty-seven million, five hundred seven thousand, four hundred ninety-two".