52115537 has 8 divisors (see below), whose sum is σ = 54924960. Its totient is φ = 49312800.

The previous prime is 52115521. The next prime is 52115549. The reversal of 52115537 is 73551125.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 52115537 - 2⁴ = 52115521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52115507) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28037 + ... + 29837.

It is an arithmetic number, because the mean of its divisors is an integer number (6865620).

Almost surely, 2^52115537 is an apocalyptic number.

It is an amenable number.

52115537 is a deficient number, since it is larger than the sum of its proper divisors (2809423).

52115537 is a wasteful number, since it uses less digits than its factorization.

52115537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3343.

The product of its digits is 5250, while the sum is 29.

The square root of 52115537 is about 7219.1091555676. The cubic root of 52115537 is about 373.5273491094.

The spelling of 52115537 in words is "fifty-two million, one hundred fifteen thousand, five hundred thirty-seven".