556930751 has 4 divisors (see below), whose sum is σ = 599771592. Its totient is φ = 514089912.

The previous prime is 556930723. The next prime is 556930807. The reversal of 556930751 is 157039655.

556930751 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.

It is a cyclic number.

It is not a de Polignac number, because 556930751 - 2¹⁰ = 556929727 is a prime.

It is a super-2 number, since 2×556930751² = 620343722818848002, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 556930699 and 556930708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (556930721) 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, 21420401 + ... + 21420426.

It is an arithmetic number, because the mean of its divisors is an integer number (149942898).

Almost surely, 2^556930751 is an apocalyptic number.

556930751 is a deficient number, since it is larger than the sum of its proper divisors (42840841).

556930751 is a wasteful number, since it uses less digits than its factorization.

556930751 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42840840.

The product of its (nonzero) digits is 141750, while the sum is 41.

The square root of 556930751 is about 23599.3803096607. The cubic root of 556930751 is about 822.7484372529.

The spelling of 556930751 in words is "five hundred fifty-six million, nine hundred thirty thousand, seven hundred fifty-one".