52244039 has 6 divisors (see below), whose sum is σ = 52618176. Its totient is φ = 51871140.

The previous prime is 52244033. The next prime is 52244057. The reversal of 52244039 is 93044225.

It is a de Polignac number, because none of the positive numbers 2^k-52244039 is a prime.

It is a super-2 number, since 2×52244039² = 5458879222067042, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52244033) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 99632 + ... + 100154.

It is an arithmetic number, because the mean of its divisors is an integer number (8769696).

Almost surely, 2^52244039 is an apocalyptic number.

52244039 is a deficient number, since it is larger than the sum of its proper divisors (374137).

52244039 is an frugal number, since it uses more digits than its factorization.

52244039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1237 (or 714 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 52244039 is about 7228.0038046476. The cubic root of 52244039 is about 373.8341009760.

The spelling of 52244039 in words is "fifty-two million, two hundred forty-four thousand, thirty-nine".