52244137 has 4 divisors (see below), whose sum is σ = 56993616. Its totient is φ = 47494660.

The previous prime is 52244131. The next prime is 52244149. The reversal of 52244137 is 73144225.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 52244137 - 2¹⁹ = 51719849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52244131) 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, 2374723 + ... + 2374744.

It is an arithmetic number, because the mean of its divisors is an integer number (14248404).

Almost surely, 2^52244137 is an apocalyptic number.

It is an amenable number.

52244137 is a deficient number, since it is larger than the sum of its proper divisors (4749479).

52244137 is a wasteful number, since it uses less digits than its factorization.

52244137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4749478.

The product of its digits is 6720, while the sum is 28.

The square root of 52244137 is about 7228.0105838329. The cubic root of 52244137 is about 373.8343347233.

The spelling of 52244137 in words is "fifty-two million, two hundred forty-four thousand, one hundred thirty-seven".