55503060800 has 84 divisors (see below), whose sum is σ = 148987922496. Its totient is φ = 20182924800.

The previous prime is 55503060761. The next prime is 55503060817. The reversal of 55503060800 is 806030555.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1559192 + ... + 1594391.

It is an arithmetic number, because the mean of its divisors is an integer number (1773665744).

Almost surely, 2^55503060800 is an apocalyptic number.

55503060800 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

55503060800 is an abundant number, since it is smaller than the sum of its proper divisors (93484861696).

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

55503060800 is a wasteful number, since it uses less digits than its factorization.

55503060800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3153616 (or 3153601 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 32.

The spelling of 55503060800 in words is "fifty-five billion, five hundred three million, sixty thousand, eight hundred".