52161499 has 16 divisors (see below), whose sum is σ = 58834944. Its totient is φ = 45914400.

The previous prime is 52161497. The next prime is 52161503. The reversal of 52161499 is 99416125.

It is a cyclic number.

It is not a de Polignac number, because 52161499 - 2¹ = 52161497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52161497) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27702 + ... + 29524.

It is an arithmetic number, because the mean of its divisors is an integer number (3677184).

Almost surely, 2^52161499 is an apocalyptic number.

52161499 is a deficient number, since it is larger than the sum of its proper divisors (6673445).

52161499 is a wasteful number, since it uses less digits than its factorization.

52161499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1938.

The product of its digits is 19440, while the sum is 37.

The square root of 52161499 is about 7222.2918107759. The cubic root of 52161499 is about 373.6371245589.

The spelling of 52161499 in words is "fifty-two million, one hundred sixty-one thousand, four hundred ninety-nine".