52289739 has 16 divisors (see below), whose sum is σ = 82023840. Its totient is φ = 32808960.

The previous prime is 52289737. The next prime is 52289761. The reversal of 52289739 is 93798225.

52289739 is a `hidden beast` number, since 522 + 8 + 97 + 39 = 666.

It is not a de Polignac number, because 52289739 - 2¹ = 52289737 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 52289694 and 52289703.

It is not an unprimeable number, because it can be changed into a prime (52289737) 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, 56502 + ... + 57419.

It is an arithmetic number, because the mean of its divisors is an integer number (5126490).

Almost surely, 2^52289739 is an apocalyptic number.

52289739 is a deficient number, since it is larger than the sum of its proper divisors (29734101).

52289739 is a wasteful number, since it uses less digits than its factorization.

52289739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113947 (or 113941 counting only the distinct ones).

The product of its digits is 272160, while the sum is 45.

The square root of 52289739 is about 7231.1644290529. The cubic root of 52289739 is about 373.9430718732.

The spelling of 52289739 in words is "fifty-two million, two hundred eighty-nine thousand, seven hundred thirty-nine".