557385744 has 40 divisors (see below), whose sum is σ = 1464325920. Its totient is φ = 182645248.

The previous prime is 557385727. The next prime is 557385761. The reversal of 557385744 is 447583755.

It is an interprime number because it is at equal distance from previous prime (557385727) and next prime (557385761).

It is a super-2 number, since 2×557385744² = 621357735228867072, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a junction number, because it is equal to n+sod(n) for n = 557385693 and 557385702.

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, 95577 + ... + 101240.

It is an arithmetic number, because the mean of its divisors is an integer number (36608148).

Almost surely, 2^557385744 is an apocalyptic number.

It is an amenable number.

557385744 is an abundant number, since it is smaller than the sum of its proper divisors (906940176).

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

557385744 is a wasteful number, since it uses less digits than its factorization.

557385744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196887 (or 196881 counting only the distinct ones).

The product of its digits is 2352000, while the sum is 48.

The square root of 557385744 is about 23609.0182769212. The cubic root of 557385744 is about 822.9724285259.

The spelling of 557385744 in words is "five hundred fifty-seven million, three hundred eighty-five thousand, seven hundred forty-four".