55124177800 has 24 divisors (see below), whose sum is σ = 128163713850. Its totient is φ = 22049671040.

The previous prime is 55124177767. The next prime is 55124177807. The reversal of 55124177800 is 877142155.

It can be written as a sum of positive squares in 3 ways, for example, as 46906030084 + 8218147716 = 216578^2 + 90654^2 .

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (55124177807) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 137810245 + ... + 137810644.

Almost surely, 2^55124177800 is an apocalyptic number.

55124177800 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

55124177800 is an abundant number, since it is smaller than the sum of its proper divisors (73039536050).

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

55124177800 is a wasteful number, since it uses less digits than its factorization.

55124177800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275620905 (or 275620896 counting only the distinct ones).

The product of its (nonzero) digits is 78400, while the sum is 40.

The spelling of 55124177800 in words is "fifty-five billion, one hundred twenty-four million, one hundred seventy-seven thousand, eight hundred".