551055315064 has 16 divisors (see below), whose sum is σ = 1068857292600. Its totient is φ = 266026703712.

The previous prime is 551055315001. The next prime is 551055315067. The reversal of 551055315064 is 460513550155.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551055315067) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1187618982 + ... + 1187619445.

Almost surely, 2^551055315064 is an apocalyptic number.

It is an amenable number.

551055315064 is a deficient number, since it is larger than the sum of its proper divisors (517801977536).

551055315064 is a wasteful number, since it uses less digits than its factorization.

551055315064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2375238462 (or 2375238458 counting only the distinct ones).

The product of its (nonzero) digits is 225000, while the sum is 40.

The spelling of 551055315064 in words is "five hundred fifty-one billion, fifty-five million, three hundred fifteen thousand, sixty-four".