557845245 has 32 divisors (see below), whose sum is σ = 994406400. Its totient is φ = 296713152.

The previous prime is 557845237. The next prime is 557845261. The reversal of 557845245 is 542548755.

557845245 is a `hidden beast` number, since 55 + 78 + 4 + 524 + 5 = 666.

It is not a de Polignac number, because 557845245 - 2³ = 557845237 is a prime.

It is a super-2 number, since 2×557845245² = 622382634738220050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 557845245.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 46311 + ... + 57099.

It is an arithmetic number, because the mean of its divisors is an integer number (31075200).

Almost surely, 2^557845245 is an apocalyptic number.

It is an amenable number.

557845245 is a deficient number, since it is larger than the sum of its proper divisors (436561155).

557845245 is a wasteful number, since it uses less digits than its factorization.

557845245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11186 (or 11180 counting only the distinct ones).

The product of its digits is 1120000, while the sum is 45.

The square root of 557845245 is about 23618.7477441121. The cubic root of 557845245 is about 823.1985153906.

The spelling of 557845245 in words is "five hundred fifty-seven million, eight hundred forty-five thousand, two hundred forty-five".