53566344 has 96 divisors (see below), whose sum is σ = 157684800. Its totient is φ = 16329600.

The previous prime is 53566327. The next prime is 53566351. The reversal of 53566344 is 44366535.

53566344 is a `hidden beast` number, since 53 + 566 + 3 + 44 = 666.

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 = 53566299 and 53566308.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 141147 + ... + 141525.

It is an arithmetic number, because the mean of its divisors is an integer number (1642550).

Almost surely, 2^53566344 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 53566344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78842400).

53566344 is an abundant number, since it is smaller than the sum of its proper divisors (104118456).

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

53566344 is a wasteful number, since it uses less digits than its factorization.

53566344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 555 (or 548 counting only the distinct ones).

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

The square root of 53566344 is about 7318.9031965179. The cubic root of 53566344 is about 376.9617937440.

The spelling of 53566344 in words is "fifty-three million, five hundred sixty-six thousand, three hundred forty-four".