551032838856 has 24 divisors (see below), whose sum is σ = 1492380605430. Its totient is φ = 183677612928.

The previous prime is 551032838833. The next prime is 551032838857. The reversal of 551032838856 is 658838230155.

It is a happy number.

551032838856 is a `hidden beast` number, since 551 + 0 + 3 + 2 + 8 + 3 + 8 + 85 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 307259576100 + 243773262756 = 554310^2 + 493734^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is not an unprimeable number, because it can be changed into a prime (551032838857) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3826616865 + ... + 3826617008.

Almost surely, 2^551032838856 is an apocalyptic number.

It is an amenable number.

551032838856 is an abundant number, since it is smaller than the sum of its proper divisors (941347766574).

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

551032838856 is a wasteful number, since it uses less digits than its factorization.

551032838856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7653233885 (or 7653233878 counting only the distinct ones).

The product of its (nonzero) digits is 6912000, while the sum is 54.

The spelling of 551032838856 in words is "five hundred fifty-one billion, thirty-two million, eight hundred thirty-eight thousand, eight hundred fifty-six".