551055000650 has 96 divisors (see below), whose sum is σ = 1290282559488. Its totient is φ = 170089732800.

The previous prime is 551055000599. The next prime is 551055000673. The reversal of 551055000650 is 56000550155.

It is a super-2 number, since 2×551055000650² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 298262 + ... + 1091361.

It is an arithmetic number, because the mean of its divisors is an integer number (13440443328).

Almost surely, 2^551055000650 is an apocalyptic number.

551055000650 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

551055000650 is an abundant number, since it is smaller than the sum of its proper divisors (739227558838).

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

551055000650 is a wasteful number, since it uses less digits than its factorization.

551055000650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1389756 (or 1389751 counting only the distinct ones).

The product of its (nonzero) digits is 18750, while the sum is 32.

The spelling of 551055000650 in words is "five hundred fifty-one billion, fifty-five million, six hundred fifty", and thus it is an aban number.