53612499 has 4 divisors (see below), whose sum is σ = 71483336. Its totient is φ = 35741664.

The previous prime is 53612483. The next prime is 53612539. The reversal of 53612499 is 99421635.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 53612499 - 2⁴ = 53612483 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53612459) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8935414 + ... + 8935419.

It is an arithmetic number, because the mean of its divisors is an integer number (17870834).

Almost surely, 2^53612499 is an apocalyptic number.

53612499 is a deficient number, since it is larger than the sum of its proper divisors (17870837).

53612499 is a wasteful number, since it uses less digits than its factorization.

53612499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17870836.

The product of its digits is 58320, while the sum is 39.

The square root of 53612499 is about 7322.0556539813. The cubic root of 53612499 is about 377.0700313396.

The spelling of 53612499 in words is "fifty-three million, six hundred twelve thousand, four hundred ninety-nine".