52739815 has 8 divisors (see below), whose sum is σ = 63355248. Its totient is φ = 42146880.

The previous prime is 52739803. The next prime is 52739821. The reversal of 52739815 is 51893725.

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

It is not a de Polignac number, because 52739815 - 2¹⁵ = 52707047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60 + ... + 10270.

It is an arithmetic number, because the mean of its divisors is an integer number (7919406).

Almost surely, 2^52739815 is an apocalyptic number.

52739815 is a deficient number, since it is larger than the sum of its proper divisors (10615433).

52739815 is a wasteful number, since it uses less digits than its factorization.

52739815 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11249.

The product of its digits is 75600, while the sum is 40.

The square root of 52739815 is about 7262.2183250024. The cubic root of 52739815 is about 375.0128943714.

The spelling of 52739815 in words is "fifty-two million, seven hundred thirty-nine thousand, eight hundred fifteen".