52259739 has 8 divisors (see below), whose sum is σ = 79633920. Its totient is φ = 29862696.

The previous prime is 52259731. The next prime is 52259743. The reversal of 52259739 is 93795225.

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

It is not a de Polignac number, because 52259739 - 2³ = 52259731 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 52259739.

It is not an unprimeable number, because it can be changed into a prime (52259731) 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, 1244259 + ... + 1244300.

It is an arithmetic number, because the mean of its divisors is an integer number (9954240).

Almost surely, 2^52259739 is an apocalyptic number.

52259739 is a deficient number, since it is larger than the sum of its proper divisors (27374181).

52259739 is a wasteful number, since it uses less digits than its factorization.

52259739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2488569.

The product of its digits is 170100, while the sum is 42.

The square root of 52259739 is about 7229.0897767285. The cubic root of 52259739 is about 373.8715445304.

The spelling of 52259739 in words is "fifty-two million, two hundred fifty-nine thousand, seven hundred thirty-nine".