53612004 has 24 divisors (see below), whose sum is σ = 125866720. Its totient is φ = 17760384.

The previous prime is 53611973. The next prime is 53612021. The reversal of 53612004 is 40021635.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11749 + ... + 15660.

Almost surely, 2^53612004 is an apocalyptic number.

It is an amenable number.

53612004 is an abundant number, since it is smaller than the sum of its proper divisors (72254716).

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

53612004 is a wasteful number, since it uses less digits than its factorization.

53612004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27579 (or 27577 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 53612004 is about 7322.0218519204. The cubic root of 53612004 is about 377.0688708500.

Adding to 53612004 its reverse (40021635), we get a palindrome (93633639).

The spelling of 53612004 in words is "fifty-three million, six hundred twelve thousand, four".