52031516 has 12 divisors (see below), whose sum is σ = 93992640. Its totient is φ = 25176480.

The previous prime is 52031513. The next prime is 52031521. The reversal of 52031516 is 61513025.

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 52031491 and 52031500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52031513) 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, 209681 + ... + 209928.

It is an arithmetic number, because the mean of its divisors is an integer number (7832720).

Almost surely, 2^52031516 is an apocalyptic number.

It is an amenable number.

52031516 is a deficient number, since it is larger than the sum of its proper divisors (41961124).

52031516 is a wasteful number, since it uses less digits than its factorization.

52031516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 419644 (or 419642 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 52031516 is about 7213.2874613452. The cubic root of 52031516 is about 373.3265067488.

The spelling of 52031516 in words is "fifty-two million, thirty-one thousand, five hundred sixteen".