55126372660 has 12 divisors (see below), whose sum is σ = 115765382628. Its totient is φ = 22050549056.

The previous prime is 55126372633. The next prime is 55126372663. The reversal of 55126372660 is 6627362155.

55126372660 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 27252066724 + 27874305936 = 165082^2 + 166956^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55126372663) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1378159297 + ... + 1378159336.

It is an arithmetic number, because the mean of its divisors is an integer number (9647115219).

Almost surely, 2^55126372660 is an apocalyptic number.

It is an amenable number.

55126372660 is an abundant number, since it is smaller than the sum of its proper divisors (60639009968).

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

55126372660 is a wasteful number, since it uses less digits than its factorization.

55126372660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2756318642 (or 2756318640 counting only the distinct ones).

The product of its (nonzero) digits is 453600, while the sum is 43.

The spelling of 55126372660 in words is "fifty-five billion, one hundred twenty-six million, three hundred seventy-two thousand, six hundred sixty".