551056161700 has 36 divisors (see below), whose sum is σ = 1304500225392. Its totient is φ = 200384058400.

The previous prime is 551056161671. The next prime is 551056161707. The reversal of 551056161700 is 7161650155.

It is a self number, because there is not a number n which added to its sum of digits gives 551056161700.

It is not an unprimeable number, because it can be changed into a prime (551056161707) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 250478974 + ... + 250481173.

It is an arithmetic number, because the mean of its divisors is an integer number (36236117372).

Almost surely, 2^551056161700 is an apocalyptic number.

551056161700 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

551056161700 is an abundant number, since it is smaller than the sum of its proper divisors (753444063692).

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

551056161700 is a wasteful number, since it uses less digits than its factorization.

551056161700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500960172 (or 500960165 counting only the distinct ones).

The product of its (nonzero) digits is 31500, while the sum is 37.

The spelling of 551056161700 in words is "five hundred fifty-one billion, fifty-six million, one hundred sixty-one thousand, seven hundred".