551972732848 has 40 divisors (see below), whose sum is σ = 1106639862480. Its totient is φ = 266393675520.

The previous prime is 551972732809. The next prime is 551972732851. The reversal of 551972732848 is 848237279155.

It is a happy number.

It is a super-2 number, since 2×551972732848² (a number of 24 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (61) coincides with the sum of the digits of its prime factors.

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, 1478118 + ... + 1813498.

It is an arithmetic number, because the mean of its divisors is an integer number (27665996562).

Almost surely, 2^551972732848 is an apocalyptic number.

551972732848 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

It is an amenable number.

551972732848 is an abundant number, since it is smaller than the sum of its proper divisors (554667129632).

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

551972732848 is a wasteful number, since it uses less digits than its factorization.

551972732848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 338965 (or 338959 counting only the distinct ones).

The product of its digits is 33868800, while the sum is 61.

The spelling of 551972732848 in words is "five hundred fifty-one billion, nine hundred seventy-two million, seven hundred thirty-two thousand, eight hundred forty-eight".