55366344 has 96 divisors (see below), whose sum is σ = 166795200. Its totient is φ = 16448640.

The previous prime is 55366343. The next prime is 55366351. The reversal of 55366344 is 44366355.

55366344 is a `hidden beast` number, since 553 + 6 + 63 + 44 = 666.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 55366299 and 55366308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55366343) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 41317 + ... + 42635.

It is an arithmetic number, because the mean of its divisors is an integer number (1737450).

Almost surely, 2^55366344 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 55366344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83397600).

55366344 is an abundant number, since it is smaller than the sum of its proper divisors (111428856).

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

55366344 is a wasteful number, since it uses less digits than its factorization.

55366344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1395 (or 1388 counting only the distinct ones).

The product of its digits is 129600, while the sum is 36.

The square root of 55366344 is about 7440.8564023236. The cubic root of 55366344 is about 381.1377351437.

The spelling of 55366344 in words is "fifty-five million, three hundred sixty-six thousand, three hundred forty-four".