52017216 has 28 divisors (see below), whose sum is σ = 137629392. Its totient is φ = 17339008.

The previous prime is 52017211. The next prime is 52017223. The reversal of 52017216 is 61271025.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (52017211) 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, 135270 + ... + 135653.

Almost surely, 2^52017216 is an apocalyptic number.

It is an amenable number.

52017216 is an abundant number, since it is smaller than the sum of its proper divisors (85612176).

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

52017216 is a wasteful number, since it uses less digits than its factorization.

52017216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270938 (or 270928 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 24.

The square root of 52017216 is about 7212.2961669637. The cubic root of 52017216 is about 373.2923027470.

The spelling of 52017216 in words is "fifty-two million, seventeen thousand, two hundred sixteen".