55055001580 has 24 divisors (see below), whose sum is σ = 117575090640. Its totient is φ = 21648745920.

The previous prime is 55055001571. The next prime is 55055001581. The reversal of 55055001580 is 8510055055.

It is a happy number.

55055001580 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 (55055001581) 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, 23327211 + ... + 23329570.

It is an arithmetic number, because the mean of its divisors is an integer number (4898962110).

Almost surely, 2^55055001580 is an apocalyptic number.

It is an amenable number.

55055001580 is an abundant number, since it is smaller than the sum of its proper divisors (62520089060).

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

55055001580 is a wasteful number, since it uses less digits than its factorization.

55055001580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46656849 (or 46656847 counting only the distinct ones).

The product of its (nonzero) digits is 25000, while the sum is 34.

The spelling of 55055001580 in words is "fifty-five billion, fifty-five million, one thousand, five hundred eighty".