53612918 has 4 divisors (see below), whose sum is σ = 80419380. Its totient is φ = 26806458.

The previous prime is 53612893. The next prime is 53612957. The reversal of 53612918 is 81921635.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13403228 + ... + 13403231.

It is an arithmetic number, because the mean of its divisors is an integer number (20104845).

Almost surely, 2^53612918 is an apocalyptic number.

53612918 is a deficient number, since it is larger than the sum of its proper divisors (26806462).

53612918 is a wasteful number, since it uses less digits than its factorization.

53612918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26806461.

The product of its digits is 12960, while the sum is 35.

The square root of 53612918 is about 7322.0842661089. The cubic root of 53612918 is about 377.0710136474.

The spelling of 53612918 in words is "fifty-three million, six hundred twelve thousand, nine hundred eighteen".