55268020 has 24 divisors (see below), whose sum is σ = 122890824. Its totient is φ = 20806656.

The previous prime is 55267991. The next prime is 55268023. The reversal of 55268020 is 2086255.

55268020 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 4 ways, for example, as 30228004 + 25040016 = 5498^2 + 5004^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 55268020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55268023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80937 + ... + 81616.

It is an arithmetic number, because the mean of its divisors is an integer number (5120451).

Almost surely, 2^55268020 is an apocalyptic number.

It is an amenable number.

55268020 is an abundant number, since it is smaller than the sum of its proper divisors (67622804).

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

55268020 is a wasteful number, since it uses less digits than its factorization.

55268020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162579 (or 162577 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 55268020 is about 7434.2464312128. The cubic root of 55268020 is about 380.9119831219.

The spelling of 55268020 in words is "fifty-five million, two hundred sixty-eight thousand, twenty".