53684244 has 36 divisors (see below), whose sum is σ = 136956820. Its totient is φ = 17729280.

The previous prime is 53684243. The next prime is 53684263. The reversal of 53684244 is 44248635.

53684244 is a `hidden beast` number, since 536 + 84 + 2 + 44 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 44756100 + 8928144 = 6690^2 + 2988^2 .

It is a tau number, because it is divible by the number of its divisors (36).

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 = 53684199 and 53684208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53684243) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2917 + ... + 10764.

Almost surely, 2^53684244 is an apocalyptic number.

It is an amenable number.

53684244 is an abundant number, since it is smaller than the sum of its proper divisors (83272576).

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

53684244 is a wasteful number, since it uses less digits than its factorization.

53684244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13800 (or 13795 counting only the distinct ones).

The product of its digits is 92160, while the sum is 36.

The square root of 53684244 is about 7326.9532549348. The cubic root of 53684244 is about 377.2381565053.

The spelling of 53684244 in words is "fifty-three million, six hundred eighty-four thousand, two hundred forty-four".