55100505100 has 36 divisors (see below), whose sum is σ = 119730053800. Its totient is φ = 22010348160.

The previous prime is 55100505073. The next prime is 55100505137. The reversal of 55100505100 is 150500155.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 298905 + ... + 446704.

Almost surely, 2^55100505100 is an apocalyptic number.

55100505100 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

55100505100 is an abundant number, since it is smaller than the sum of its proper divisors (64629548700).

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

55100505100 is a wasteful number, since it uses less digits than its factorization.

55100505100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 746362 (or 746355 counting only the distinct ones).

The product of its (nonzero) digits is 625, while the sum is 22.

The spelling of 55100505100 in words is "fifty-five billion, one hundred million, five hundred five thousand, one hundred".