55111360 has 28 divisors (see below), whose sum is σ = 131234688. Its totient is φ = 22044416.

The previous prime is 55111349. The next prime is 55111363. The reversal of 55111360 is 6311155.

It is not an unprimeable number, because it can be changed into a prime (55111363) 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, 85792 + ... + 86431.

Almost surely, 2^55111360 is an apocalyptic number.

It is an amenable number.

55111360 is an abundant number, since it is smaller than the sum of its proper divisors (76123328).

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

55111360 is a wasteful number, since it uses less digits than its factorization.

55111360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172240 (or 172230 counting only the distinct ones).

The product of its (nonzero) digits is 450, while the sum is 22.

The square root of 55111360 is about 7423.7025802493. The cubic root of 55111360 is about 380.5517377642.

It can be divided in two parts, 551 and 11360, that added together give a palindrome (11911).

The spelling of 55111360 in words is "fifty-five million, one hundred eleven thousand, three hundred sixty".