55501360 has 80 divisors (see below), whose sum is σ = 136598400. Its totient is φ = 20937728.

The previous prime is 55501351. The next prime is 55501367. The reversal of 55501360 is 6310555.

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (55501367) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 108786 + ... + 109294.

It is an arithmetic number, because the mean of its divisors is an integer number (1707480).

Almost surely, 2^55501360 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 55501360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68299200).

55501360 is an abundant number, since it is smaller than the sum of its proper divisors (81097040).

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

55501360 is a wasteful number, since it uses less digits than its factorization.

55501360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 598 (or 592 counting only the distinct ones).

The product of its (nonzero) digits is 2250, while the sum is 25.

The square root of 55501360 is about 7449.9234895400. The cubic root of 55501360 is about 381.4472969674.

The spelling of 55501360 in words is "fifty-five million, five hundred one thousand, three hundred sixty".