56514441564 has 72 divisors (see below), whose sum is σ = 164455750368. Its totient is φ = 16029112320.

The previous prime is 56514441553. The next prime is 56514441583. The reversal of 56514441564 is 46514441565.

56514441564 is a `hidden beast` number, since 5 + 6 + 5 + 1 + 44 + 41 + 564 = 666.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 783957 + ... + 853004.

It is an arithmetic number, because the mean of its divisors is an integer number (2284107644).

Almost surely, 2^56514441564 is an apocalyptic number.

It is an amenable number.

56514441564 is an abundant number, since it is smaller than the sum of its proper divisors (107941308804).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56514441564 is a wasteful number, since it uses less digits than its factorization.

56514441564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1637115 (or 1637110 counting only the distinct ones).

The product of its digits is 1152000, while the sum is 45.

Subtracting from 56514441564 its reverse (46514441565), we obtain a palindrome (9999999999).

The spelling of 56514441564 in words is "fifty-six billion, five hundred fourteen million, four hundred forty-one thousand, five hundred sixty-four".