52549957 has 4 divisors (see below), whose sum is σ = 52745580. Its totient is φ = 52354336.

The previous prime is 52549949. The next prime is 52549969. The reversal of 52549957 is 75994525.

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 1083681 + 51466276 = 1041^2 + 7174^2 .

It is a cyclic number.

It is not a de Polignac number, because 52549957 - 2³ = 52549949 is a prime.

It is a super-2 number, since 2×52549957² = 5522995961403698, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52544957) 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, 97408 + ... + 97945.

It is an arithmetic number, because the mean of its divisors is an integer number (13186395).

Almost surely, 2^52549957 is an apocalyptic number.

It is an amenable number.

52549957 is a deficient number, since it is larger than the sum of its proper divisors (195623).

52549957 is a wasteful number, since it uses less digits than its factorization.

52549957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195622.

The product of its digits is 567000, while the sum is 46.

The square root of 52549957 is about 7249.1349139052. The cubic root of 52549957 is about 374.5623504701.

The spelling of 52549957 in words is "fifty-two million, five hundred forty-nine thousand, nine hundred fifty-seven".