557752740 has 48 divisors (see below), whose sum is σ = 1563674112. Its totient is φ = 148546816.

The previous prime is 557752729. The next prime is 557752747. The reversal of 557752740 is 47257755.

It is a super-2 number, since 2×557752740² = 622176237955015200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 557752692 and 557752701.

It is not an unprimeable number, because it can be changed into a prime (557752747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45997 + ... + 56843.

It is an arithmetic number, because the mean of its divisors is an integer number (32576544).

Almost surely, 2^557752740 is an apocalyptic number.

It is an amenable number.

557752740 is an abundant number, since it is smaller than the sum of its proper divisors (1005921372).

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

557752740 is a wasteful number, since it uses less digits than its factorization.

557752740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11716 (or 11714 counting only the distinct ones).

The product of its (nonzero) digits is 343000, while the sum is 42.

The square root of 557752740 is about 23616.7893668890. The cubic root of 557752740 is about 823.1530104236.

The spelling of 557752740 in words is "five hundred fifty-seven million, seven hundred fifty-two thousand, seven hundred forty".