52716420 has 72 divisors (see below), whose sum is σ = 165844224. Its totient is φ = 14056416.

The previous prime is 52716413. The next prime is 52716449. The reversal of 52716420 is 2461725.

It is a Harshad number since it is a multiple of its sum of digits (27).

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, 564 + ... + 10283.

It is an arithmetic number, because the mean of its divisors is an integer number (2303392).

Almost surely, 2^52716420 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 52716420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82922112).

52716420 is an abundant number, since it is smaller than the sum of its proper divisors (113127804).

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

52716420 is a wasteful number, since it uses less digits than its factorization.

52716420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10871 (or 10857 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 52716420 is about 7260.6074126067. The cubic root of 52716420 is about 374.9574351688.

The spelling of 52716420 in words is "fifty-two million, seven hundred sixteen thousand, four hundred twenty".