557050731 has 8 divisors (see below), whose sum is σ = 775027200. Its totient is φ = 355220712.

The previous prime is 557050709. The next prime is 557050751. The reversal of 557050731 is 137050755.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 557050731 - 2⁵ = 557050699 is a prime.

It is a super-2 number, since 2×557050731² = 620611033815268722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 557050692 and 557050701.

It is not an unprimeable number, because it can be changed into a prime (557050751) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4036531 + ... + 4036668.

It is an arithmetic number, because the mean of its divisors is an integer number (96878400).

Almost surely, 2^557050731 is an apocalyptic number.

557050731 is a deficient number, since it is larger than the sum of its proper divisors (217976469).

557050731 is a wasteful number, since it uses less digits than its factorization.

557050731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8073225.

The product of its (nonzero) digits is 18375, while the sum is 33.

The square root of 557050731 is about 23601.9221886693. The cubic root of 557050731 is about 822.8075147771.

The spelling of 557050731 in words is "five hundred fifty-seven million, fifty thousand, seven hundred thirty-one".