52022516 has 72 divisors (see below), whose sum is σ = 120858696. Its totient is φ = 19353600.

The previous prime is 52022497. The next prime is 52022603. The reversal of 52022516 is 61522025.

It can be written as a sum of positive squares in 4 ways, for example, as 38416 + 51984100 = 196^2 + 7210^2 .

It is a junction number, because it is equal to n+sod(n) for n = 52022491 and 52022500.

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, 42716 + ... + 43916.

It is an arithmetic number, because the mean of its divisors is an integer number (1678593).

Almost surely, 2^52022516 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 52022516, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60429348).

52022516 is an abundant number, since it is smaller than the sum of its proper divisors (68836180).

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

52022516 is a wasteful number, since it uses less digits than its factorization.

52022516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1249 (or 1240 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 52022516 is about 7212.6635856665. The cubic root of 52022516 is about 373.3049804857.

The spelling of 52022516 in words is "fifty-two million, twenty-two thousand, five hundred sixteen".