52547939 has 8 divisors (see below), whose sum is σ = 57719040. Its totient is φ = 47617416.

The previous prime is 52547923. The next prime is 52547941. The reversal of 52547939 is 93974525.

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 52547939 - 2⁴ = 52547923 is a prime.

It is a super-2 number, since 2×52547939² = 5522571786295442, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 52547939.

It is not an unprimeable number, because it can be changed into a prime (52547959) 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, 59687 + ... + 60560.

It is an arithmetic number, because the mean of its divisors is an integer number (7214880).

Almost surely, 2^52547939 is an apocalyptic number.

52547939 is a deficient number, since it is larger than the sum of its proper divisors (5171101).

52547939 is a wasteful number, since it uses less digits than its factorization.

52547939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120289.

The product of its digits is 340200, while the sum is 44.

The square root of 52547939 is about 7248.9957235468. The cubic root of 52547939 is about 374.5575558166.

The spelling of 52547939 in words is "fifty-two million, five hundred forty-seven thousand, nine hundred thirty-nine".