53684604 has 18 divisors (see below), whose sum is σ = 135702840. Its totient is φ = 17894856.

The previous prime is 53684573. The next prime is 53684629. The reversal of 53684604 is 40648635.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 1491239 = 53684604 / (5 + 3 + 6 + 8 + 4 + 6 + 0 + 4).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 745584 + ... + 745655.

Almost surely, 2^53684604 is an apocalyptic number.

It is an amenable number.

53684604 is an abundant number, since it is smaller than the sum of its proper divisors (82018236).

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

53684604 is a wasteful number, since it uses less digits than its factorization.

53684604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1491249 (or 1491244 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The square root of 53684604 is about 7326.9778217216. The cubic root of 53684604 is about 377.2389997412.

The spelling of 53684604 in words is "fifty-three million, six hundred eighty-four thousand, six hundred four".