551342997900 has 108 divisors (see below), whose sum is σ = 1728330786000. Its totient is φ = 147009759360.

The previous prime is 551342997889. The next prime is 551342997929. The reversal of 551342997900 is 9799243155.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 10881826 + ... + 10932374.

Almost surely, 2^551342997900 is an apocalyptic number.

551342997900 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

551342997900 is an abundant number, since it is smaller than the sum of its proper divisors (1176987788100).

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

551342997900 is a wasteful number, since it uses less digits than its factorization.

551342997900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62688 (or 62678 counting only the distinct ones).

The product of its (nonzero) digits is 3061800, while the sum is 54.

The spelling of 551342997900 in words is "five hundred fifty-one billion, three hundred forty-two million, nine hundred ninety-seven thousand, nine hundred".