551390255300 has 36 divisors (see below), whose sum is σ = 1266900202260. Its totient is φ = 207582213120.

The previous prime is 551390255281. The next prime is 551390255327. The reversal of 551390255300 is 3552093155.

It can be written as a sum of positive squares in 6 ways, for example, as 25034201284 + 526356054016 = 158222^2 + 725504^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 162171905 + ... + 162175304.

It is an arithmetic number, because the mean of its divisors is an integer number (35191672285).

Almost surely, 2^551390255300 is an apocalyptic number.

551390255300 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

551390255300 is an abundant number, since it is smaller than the sum of its proper divisors (715509946960).

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

551390255300 is a wasteful number, since it uses less digits than its factorization.

551390255300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324347240 (or 324347233 counting only the distinct ones).

The product of its (nonzero) digits is 101250, while the sum is 38.

The spelling of 551390255300 in words is "five hundred fifty-one billion, three hundred ninety million, two hundred fifty-five thousand, three hundred".