55101478188 has 24 divisors (see below), whose sum is σ = 133003568880. Its totient is φ = 17733808960.

The previous prime is 55101478183. The next prime is 55101478207. The reversal of 55101478188 is 88187410155.

It is a happy number.

55101478188 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (55101478183) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79168443 + ... + 79169138.

It is an arithmetic number, because the mean of its divisors is an integer number (5541815370).

Almost surely, 2^55101478188 is an apocalyptic number.

55101478188 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

It is an amenable number.

55101478188 is an abundant number, since it is smaller than the sum of its proper divisors (77902090692).

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

55101478188 is a wasteful number, since it uses less digits than its factorization.

55101478188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158337617 (or 158337615 counting only the distinct ones).

The product of its (nonzero) digits is 358400, while the sum is 48.

The spelling of 55101478188 in words is "fifty-five billion, one hundred one million, four hundred seventy-eight thousand, one hundred eighty-eight".