556681153 has 4 divisors (see below), whose sum is σ = 636207040. Its totient is φ = 477155268.

The previous prime is 556681141. The next prime is 556681159. The reversal of 556681153 is 351186655.

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 a de Polignac number, because none of the positive numbers 2^k-556681153 is a prime.

It is a super-2 number, since 2×556681153² = 619787812210818818, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (556681159) 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, 39762933 + ... + 39762946.

It is an arithmetic number, because the mean of its divisors is an integer number (159051760).

Almost surely, 2^556681153 is an apocalyptic number.

It is an amenable number.

556681153 is a deficient number, since it is larger than the sum of its proper divisors (79525887).

556681153 is an equidigital number, since it uses as much as digits as its factorization.

556681153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79525886.

The product of its digits is 108000, while the sum is 40.

The square root of 556681153 is about 23594.0914849460. The cubic root of 556681153 is about 822.6255093127.

The spelling of 556681153 in words is "five hundred fifty-six million, six hundred eighty-one thousand, one hundred fifty-three".