56555711630 has 32 divisors (see below), whose sum is σ = 111071023200. Its totient is φ = 20562718720.

The previous prime is 56555711627. The next prime is 56555711659. The reversal of 56555711630 is 3611755565.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 807782 + ... + 874998.

It is an arithmetic number, because the mean of its divisors is an integer number (3470969475).

Almost surely, 2^56555711630 is an apocalyptic number.

56555711630 is a deficient number, since it is larger than the sum of its proper divisors (54515311570).

56555711630 is a wasteful number, since it uses less digits than its factorization.

56555711630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74884.

The product of its (nonzero) digits is 472500, while the sum is 44.

The spelling of 56555711630 in words is "fifty-six billion, five hundred fifty-five million, seven hundred eleven thousand, six hundred thirty".