52164816 has 80 divisors (see below), whose sum is σ = 151799808. Its totient is φ = 15292800.

The previous prime is 52164803. The next prime is 52164817. The reversal of 52164816 is 61846125.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52164817) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14775 + ... + 17961.

Almost surely, 2^52164816 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 52164816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75899904).

52164816 is an abundant number, since it is smaller than the sum of its proper divisors (99634992).

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

52164816 is a wasteful number, since it uses less digits than its factorization.

52164816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3240 (or 3234 counting only the distinct ones).

The product of its digits is 11520, while the sum is 33.

The square root of 52164816 is about 7222.5214433742. The cubic root of 52164816 is about 373.6450443727.

The spelling of 52164816 in words is "fifty-two million, one hundred sixty-four thousand, eight hundred sixteen".