557602157 has 4 divisors (see below), whose sum is σ = 637259616. Its totient is φ = 477944700.

The previous prime is 557602127. The next prime is 557602181. The reversal of 557602157 is 751206755.

557602157 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 557602157 - 2⁸ = 557601901 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 557602157.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (557602127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39828719 + ... + 39828732.

It is an arithmetic number, because the mean of its divisors is an integer number (159314904).

Almost surely, 2^557602157 is an apocalyptic number.

It is an amenable number.

557602157 is a deficient number, since it is larger than the sum of its proper divisors (79657459).

557602157 is an equidigital number, since it uses as much as digits as its factorization.

557602157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79657458.

The product of its (nonzero) digits is 73500, while the sum is 38.

The square root of 557602157 is about 23613.6011019073. The cubic root of 557602157 is about 823.0789250225.

The spelling of 557602157 in words is "five hundred fifty-seven million, six hundred two thousand, one hundred fifty-seven".