52072516 has 24 divisors (see below), whose sum is σ = 94552920. Its totient is φ = 25062912.

The previous prime is 52072477. The next prime is 52072523. The reversal of 52072516 is 61527025.

It can be written as a sum of positive squares in 4 ways, for example, as 12960000 + 39112516 = 3600^2 + 6254^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68410 + ... + 69166.

It is an arithmetic number, because the mean of its divisors is an integer number (3939705).

Almost surely, 2^52072516 is an apocalyptic number.

It is an amenable number.

52072516 is a deficient number, since it is larger than the sum of its proper divisors (42480404).

52072516 is a wasteful number, since it uses less digits than its factorization.

52072516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1383 (or 1381 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 52072516 is about 7216.1288791152. The cubic root of 52072516 is about 373.4245394369.

The spelling of 52072516 in words is "fifty-two million, seventy-two thousand, five hundred sixteen".