56554861583 has 8 divisors (see below), whose sum is σ = 62074718976. Its totient is φ = 51098088600.

The previous prime is 56554861511. The next prime is 56554861591. The reversal of 56554861583 is 38516845565.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 56554861583 - 2⁸ = 56554861327 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 (56554863583) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15769223 + ... + 15772808.

It is an arithmetic number, because the mean of its divisors is an integer number (7759339872).

Almost surely, 2^56554861583 is an apocalyptic number.

56554861583 is a deficient number, since it is larger than the sum of its proper divisors (5519857393).

56554861583 is a wasteful number, since it uses less digits than its factorization.

56554861583 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31542205.

The product of its digits is 17280000, while the sum is 56.

The spelling of 56554861583 in words is "fifty-six billion, five hundred fifty-four million, eight hundred sixty-one thousand, five hundred eighty-three".