55124160 has 224 divisors, whose sum is σ = 215749632. Its totient is φ = 11612160.

The previous prime is 55124143. The next prime is 55124161. The reversal of 55124160 is 6142155.

It is a tau number, because it is divible by the number of its divisors (224).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 55124160.

It is not an unprimeable number, because it can be changed into a prime (55124161) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 87045 + ... + 87675.

It is an arithmetic number, because the mean of its divisors is an integer number (963168).

Almost surely, 2^55124160 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 55124160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (107874816).

55124160 is an abundant number, since it is smaller than the sum of its proper divisors (160625472).

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

55124160 is a wasteful number, since it uses less digits than its factorization.

55124160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 671 (or 661 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 55124160 is about 7424.5646337008. The cubic root of 55124160 is about 380.5811974205.

The spelling of 55124160 in words is "fifty-five million, one hundred twenty-four thousand, one hundred sixty".