52495621 has 8 divisors (see below), whose sum is σ = 53918424. Its totient is φ = 51079680.

The previous prime is 52495601. The next prime is 52495627. The reversal of 52495621 is 12659425.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 4040100 + 48455521 = 2010^2 + 6961^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 52495621 - 2⁹ = 52495109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52495627) 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, 16275 + ... + 19231.

It is an arithmetic number, because the mean of its divisors is an integer number (6739803).

Almost surely, 2^52495621 is an apocalyptic number.

It is an amenable number.

52495621 is a deficient number, since it is larger than the sum of its proper divisors (1422803).

52495621 is a wasteful number, since it uses less digits than its factorization.

52495621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3431.

The product of its digits is 21600, while the sum is 34.

The square root of 52495621 is about 7245.3861870849. The cubic root of 52495621 is about 374.4332083501.

The spelling of 52495621 in words is "fifty-two million, four hundred ninety-five thousand, six hundred twenty-one".