55022472 has 48 divisors (see below), whose sum is σ = 157788540. Its totient is φ = 17261568.

The previous prime is 55022467. The next prime is 55022479. The reversal of 55022472 is 27422055.

It can be written as a sum of positive squares in 2 ways, for example, as 41139396 + 13883076 = 6414^2 + 3726^2 .

It is not an unprimeable number, because it can be changed into a prime (55022479) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21253 + ... + 23700.

Almost surely, 2^55022472 is an apocalyptic number.

It is an amenable number.

55022472 is an abundant number, since it is smaller than the sum of its proper divisors (102766068).

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

55022472 is a wasteful number, since it uses less digits than its factorization.

55022472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44982 (or 44975 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 27.

The square root of 55022472 is about 7417.7133943015. The cubic root of 55022472 is about 380.3470329314.

The spelling of 55022472 in words is "fifty-five million, twenty-two thousand, four hundred seventy-two".