53591118 has 16 divisors (see below), whose sum is σ = 122494080. Its totient is φ = 15311736.

The previous prime is 53591117. The next prime is 53591119. The reversal of 53591118 is 81119535.

It is an interprime number because it is at equal distance from previous prime (53591117) and next prime (53591119).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53591113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 637948 + ... + 638031.

It is an arithmetic number, because the mean of its divisors is an integer number (7655880).

Almost surely, 2^53591118 is an apocalyptic number.

53591118 is an abundant number, since it is smaller than the sum of its proper divisors (68902962).

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

53591118 is a wasteful number, since it uses less digits than its factorization.

53591118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1275991.

The product of its digits is 5400, while the sum is 33.

The square root of 53591118 is about 7320.5954675832. The cubic root of 53591118 is about 377.0198987121.

The spelling of 53591118 in words is "fifty-three million, five hundred ninety-one thousand, one hundred eighteen".