551731041796 has 81 divisors (see below), whose sum is σ = 1120711887477. Its totient is φ = 237453828480.

The previous prime is 551731041733. The next prime is 551731041847. The reversal of 551731041796 is 697140137155.

It is a happy number.

The square root of 551731041796 is 742786.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 279597712900 + 272133328896 = 528770^2 + 521664^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 310483660 + ... + 310485436.

Almost surely, 2^551731041796 is an apocalyptic number.

551731041796 is the 742786-th square number.

It is an amenable number.

551731041796 is an abundant number, since it is smaller than the sum of its proper divisors (568980845681).

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

551731041796 is a wasteful number, since it uses less digits than its factorization.

551731041796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3618 (or 1809 counting only the distinct ones).

The product of its (nonzero) digits is 793800, while the sum is 49.

Multiplying 551731041796 by its sum of digits (49), we get a square (27034821048004 = 5199502²).

The spelling of 551731041796 in words is "five hundred fifty-one billion, seven hundred thirty-one million, forty-one thousand, seven hundred ninety-six".