53917116 has 72 divisors (see below), whose sum is σ = 140499072. Its totient is φ = 16077600.

The previous prime is 53917063. The next prime is 53917121. The reversal of 53917116 is 61171935.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 102831 + ... + 103353.

It is an arithmetic number, because the mean of its divisors is an integer number (1951376).

Almost surely, 2^53917116 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53917116, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70249536).

53917116 is an abundant number, since it is smaller than the sum of its proper divisors (86581956).

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

53917116 is a wasteful number, since it uses less digits than its factorization.

53917116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 623 (or 610 counting only the distinct ones).

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

The square root of 53917116 is about 7342.8275207852. The cubic root of 53917116 is about 377.7828320610.

The spelling of 53917116 in words is "fifty-three million, nine hundred seventeen thousand, one hundred sixteen".