551264334655 has 16 divisors (see below), whose sum is σ = 668356406784. Its totient is φ = 436475441920.

The previous prime is 551264334653. The next prime is 551264334703. The reversal of 551264334655 is 556433462155.

551264334655 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 551264334655 - 2¹ = 551264334653 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 551264334599 and 551264334608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551264334653) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1276942 + ... + 1653211.

It is an arithmetic number, because the mean of its divisors is an integer number (41772275424).

Almost surely, 2^551264334655 is an apocalyptic number.

551264334655 is a deficient number, since it is larger than the sum of its proper divisors (117092072129).

551264334655 is a wasteful number, since it uses less digits than its factorization.

551264334655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2930546.

The product of its digits is 6480000, while the sum is 49.

The spelling of 551264334655 in words is "five hundred fifty-one billion, two hundred sixty-four million, three hundred thirty-four thousand, six hundred fifty-five".