53791116 has 12 divisors (see below), whose sum is σ = 125512632. Its totient is φ = 17930368.

The previous prime is 53791097. The next prime is 53791117. The reversal of 53791116 is 61119735.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (53791117) 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, 2241285 + ... + 2241308.

It is an arithmetic number, because the mean of its divisors is an integer number (10459386).

Almost surely, 2^53791116 is an apocalyptic number.

It is an amenable number.

53791116 is an abundant number, since it is smaller than the sum of its proper divisors (71721516).

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

53791116 is a wasteful number, since it uses less digits than its factorization.

53791116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4482600 (or 4482598 counting only the distinct ones).

The product of its digits is 5670, while the sum is 33.

The square root of 53791116 is about 7334.2427011928. The cubic root of 53791116 is about 377.4883197415.

The spelling of 53791116 in words is "fifty-three million, seven hundred ninety-one thousand, one hundred sixteen".