5517399664 has 40 divisors (see below), whose sum is σ = 12860109440. Its totient is φ = 2240146368.

The previous prime is 5517399649. The next prime is 5517399677. The reversal of 5517399664 is 4669937155.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1294254 + ... + 1298509.

It is an arithmetic number, because the mean of its divisors is an integer number (321502736).

Almost surely, 2^5517399664 is an apocalyptic number.

It is an amenable number.

5517399664 is an abundant number, since it is smaller than the sum of its proper divisors (7342709776).

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

5517399664 is a wasteful number, since it uses less digits than its factorization.

5517399664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2592797 (or 2592791 counting only the distinct ones).

The product of its digits is 6123600, while the sum is 55.

The square root of 5517399664 is about 74279.2007496042. The cubic root of 5517399664 is about 1767.0336286407.

The spelling of 5517399664 in words is "five billion, five hundred seventeen million, three hundred ninety-nine thousand, six hundred sixty-four".