55447277743500 has 96 divisors (see below), whose sum is σ = 162943780359360. Its totient is φ = 14650289856000.

The previous prime is 55447277743469. The next prime is 55447277743511. The reversal of 55447277743500 is 534777274455.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 169400041 + ... + 169727040.

It is an arithmetic number, because the mean of its divisors is an integer number (1697331045410).

Almost surely, 2^{55447277743500} is an apocalyptic number.

55447277743500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

55447277743500 is an abundant number, since it is smaller than the sum of its proper divisors (107496502615860).

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

55447277743500 is a wasteful number, since it uses less digits than its factorization.

55447277743500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 339127212 (or 339127200 counting only the distinct ones).

The product of its (nonzero) digits is 115248000, while the sum is 60.

The spelling of 55447277743500 in words is "fifty-five trillion, four hundred forty-seven billion, two hundred seventy-seven million, seven hundred forty-three thousand, five hundred".