557242371 has 48 divisors (see below), whose sum is σ = 992481984. Its totient is φ = 294008832.

The previous prime is 557242363. The next prime is 557242373. The reversal of 557242371 is 173242755.

It is not a de Polignac number, because 557242371 - 2³ = 557242363 is a prime.

It is not an unprimeable number, because it can be changed into a prime (557242373) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 51855 + ... + 61671.

It is an arithmetic number, because the mean of its divisors is an integer number (20676708).

Almost surely, 2^557242371 is an apocalyptic number.

557242371 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

557242371 is a deficient number, since it is larger than the sum of its proper divisors (435239613).

557242371 is a wasteful number, since it uses less digits than its factorization.

557242371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9900 (or 9897 counting only the distinct ones).

The product of its digits is 58800, while the sum is 36.

The square root of 557242371 is about 23605.9816783797. The cubic root of 557242371 is about 822.9018597170.

The spelling of 557242371 in words is "five hundred fifty-seven million, two hundred forty-two thousand, three hundred seventy-one".