52672621 has 4 divisors (see below), whose sum is σ = 52868700. Its totient is φ = 52476544.

The previous prime is 52672597. The next prime is 52672637. The reversal of 52672621 is 12627625.

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 27562500 + 25110121 = 5250^2 + 5011^2 .

It is a cyclic number.

It is not a de Polignac number, because 52672621 - 2⁵ = 52672589 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 (52672021) 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, 97636 + ... + 98173.

It is an arithmetic number, because the mean of its divisors is an integer number (13217175).

Almost surely, 2^52672621 is an apocalyptic number.

It is an amenable number.

52672621 is a deficient number, since it is larger than the sum of its proper divisors (196079).

52672621 is a wasteful number, since it uses less digits than its factorization.

52672621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196078.

The product of its digits is 10080, while the sum is 31.

The square root of 52672621 is about 7257.5905781464. The cubic root of 52672621 is about 374.8535629721.

The spelling of 52672621 in words is "fifty-two million, six hundred seventy-two thousand, six hundred twenty-one".