55112260 has 36 divisors (see below), whose sum is σ = 134633772. Its totient is φ = 18895296.

The previous prime is 55112221. The next prime is 55112263. The reversal of 55112260 is 6221155.

It can be written as a sum of positive squares in 2 ways, for example, as 24840256 + 30272004 = 4984^2 + 5502^2 .

It is a super-2 number, since 2×55112260² = 6074722404615200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55112263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27139 + ... + 29098.

It is an arithmetic number, because the mean of its divisors is an integer number (3739827).

Almost surely, 2^55112260 is an apocalyptic number.

It is an amenable number.

55112260 is an abundant number, since it is smaller than the sum of its proper divisors (79521512).

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

55112260 is a wasteful number, since it uses less digits than its factorization.

55112260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56260 (or 56251 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 55112260 is about 7423.7631966544. The cubic root of 55112260 is about 380.5538092953.

The spelling of 55112260 in words is "fifty-five million, one hundred twelve thousand, two hundred sixty".