52738969 has 4 divisors (see below), whose sum is σ = 53075044. Its totient is φ = 52402896.

The previous prime is 52738943. The next prime is 52738993. The reversal of 52738969 is 96983725.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 38601369 + 14137600 = 6213^2 + 3760^2 .

It is a cyclic number.

It is not a de Polignac number, because 52738969 - 2⁵ = 52738937 is a prime.

It is a super-2 number, since 2×52738969² = 5562797702365922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52738919) 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, 167802 + ... + 168115.

It is an arithmetic number, because the mean of its divisors is an integer number (13268761).

Almost surely, 2^52738969 is an apocalyptic number.

It is an amenable number.

52738969 is a deficient number, since it is larger than the sum of its proper divisors (336075).

52738969 is a wasteful number, since it uses less digits than its factorization.

52738969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336074.

The product of its digits is 816480, while the sum is 49.

The square root of 52738969 is about 7262.1600781035. The cubic root of 52738969 is about 375.0108891653.

The spelling of 52738969 in words is "fifty-two million, seven hundred thirty-eight thousand, nine hundred sixty-nine".