55044360 has 192 divisors, whose sum is σ = 212284800. Its totient is φ = 12566016.

The previous prime is 55044347. The next prime is 55044371. The reversal of 55044360 is 6344055.

It is a super-3 number, since 3×55044360³ (a number of 24 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 67636 + ... + 68444.

It is an arithmetic number, because the mean of its divisors is an integer number (1105650).

Almost surely, 2^55044360 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55044360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (106142400).

55044360 is an abundant number, since it is smaller than the sum of its proper divisors (157240440).

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

55044360 is a wasteful number, since it uses less digits than its factorization.

55044360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 842 (or 826 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 55044360 is about 7419.1886348845. The cubic root of 55044360 is about 380.3974604016.

The spelling of 55044360 in words is "fifty-five million, forty-four thousand, three hundred sixty".