55913360 has 40 divisors (see below), whose sum is σ = 131475960. Its totient is φ = 22111232.

The previous prime is 55913359. The next prime is 55913369. The reversal of 55913360 is 6331955.

It can be written as a sum of positive squares in 4 ways, for example, as 1507984 + 54405376 = 1228^2 + 7376^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (55913369) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3194 + ... + 11046.

It is an arithmetic number, because the mean of its divisors is an integer number (3286899).

Almost surely, 2^55913360 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 55913360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65737980).

55913360 is an abundant number, since it is smaller than the sum of its proper divisors (75562600).

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

55913360 is a wasteful number, since it uses less digits than its factorization.

55913360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7955 (or 7949 counting only the distinct ones).

The product of its (nonzero) digits is 12150, while the sum is 32.

The square root of 55913360 is about 7477.5236542588. The cubic root of 55913360 is about 382.3888295261.

The spelling of 55913360 in words is "fifty-five million, nine hundred thirteen thousand, three hundred sixty".