55122544452 has 48 divisors (see below), whose sum is σ = 130101491520. Its totient is φ = 18163573248.

The previous prime is 55122544439. The next prime is 55122544457. The reversal of 55122544452 is 25444522155.

55122544452 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 55122544452.

It is not an unprimeable number, because it can be changed into a prime (55122544457) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 317728 + ... + 459560.

It is an arithmetic number, because the mean of its divisors is an integer number (2710447740).

Almost surely, 2^55122544452 is an apocalyptic number.

It is an amenable number.

55122544452 is an abundant number, since it is smaller than the sum of its proper divisors (74978947068).

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

55122544452 is a wasteful number, since it uses less digits than its factorization.

55122544452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142212 (or 142210 counting only the distinct ones).

The product of its digits is 320000, while the sum is 39.

The spelling of 55122544452 in words is "fifty-five billion, one hundred twenty-two million, five hundred forty-four thousand, four hundred fifty-two".