557040157 has 4 divisors (see below), whose sum is σ = 586358080. Its totient is φ = 527722236.

The previous prime is 557040131. The next prime is 557040191. The reversal of 557040157 is 751040755.

It is a happy number.

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 557040157 - 2²³ = 548651549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (557040257) 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 3 ways as a sum of consecutive naturals, for example, 14658933 + ... + 14658970.

It is an arithmetic number, because the mean of its divisors is an integer number (146589520).

Almost surely, 2^557040157 is an apocalyptic number.

It is an amenable number.

557040157 is a deficient number, since it is larger than the sum of its proper divisors (29317923).

557040157 is a wasteful number, since it uses less digits than its factorization.

557040157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29317922.

The product of its (nonzero) digits is 24500, while the sum is 34.

The square root of 557040157 is about 23601.6981804276. The cubic root of 557040157 is about 822.8023085357.

The spelling of 557040157 in words is "five hundred fifty-seven million, forty thousand, one hundred fifty-seven".