55057530800 has 30 divisors (see below), whose sum is σ = 132275718708. Its totient is φ = 22023012160.

The previous prime is 55057530769. The next prime is 55057530919. The reversal of 55057530800 is 803575055.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 68821514 + ... + 68822313.

Almost surely, 2^55057530800 is an apocalyptic number.

55057530800 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

55057530800 is an abundant number, since it is smaller than the sum of its proper divisors (77218187908).

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

55057530800 is a wasteful number, since it uses less digits than its factorization.

55057530800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137643845 (or 137643834 counting only the distinct ones).

The product of its (nonzero) digits is 105000, while the sum is 38.

The spelling of 55057530800 in words is "fifty-five billion, fifty-seven million, five hundred thirty thousand, eight hundred".