551764505564 has 6 divisors (see below), whose sum is σ = 965587884744. Its totient is φ = 275882252780.

The previous prime is 551764505521. The next prime is 551764505573. The reversal of 551764505564 is 465505467155.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68970563192 + ... + 68970563199.

It is an arithmetic number, because the mean of its divisors is an integer number (160931314124).

Almost surely, 2^551764505564 is an apocalyptic number.

It is an amenable number.

551764505564 is a deficient number, since it is larger than the sum of its proper divisors (413823379180).

551764505564 is a wasteful number, since it uses less digits than its factorization.

551764505564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137941126395 (or 137941126393 counting only the distinct ones).

The product of its (nonzero) digits is 12600000, while the sum is 53.

The spelling of 551764505564 in words is "five hundred fifty-one billion, seven hundred sixty-four million, five hundred five thousand, five hundred sixty-four".