52963621 has 4 divisors (see below), whose sum is σ = 55751200. Its totient is φ = 50176044.

The previous prime is 52963607. The next prime is 52963627. The reversal of 52963621 is 12636925.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 52963621 - 2¹³ = 52955429 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 (52963627) 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, 1393761 + ... + 1393798.

It is an arithmetic number, because the mean of its divisors is an integer number (13937800).

Almost surely, 2^52963621 is an apocalyptic number.

It is an amenable number.

52963621 is a deficient number, since it is larger than the sum of its proper divisors (2787579).

52963621 is a wasteful number, since it uses less digits than its factorization.

52963621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2787578.

The product of its digits is 19440, while the sum is 34.

The square root of 52963621 is about 7277.6109404117. The cubic root of 52963621 is about 375.5426124053.

The spelling of 52963621 in words is "fifty-two million, nine hundred sixty-three thousand, six hundred twenty-one".