52620641 has 4 divisors (see below), whose sum is σ = 52856832. Its totient is φ = 52384452.

The previous prime is 52620629. The next prime is 52620653. The reversal of 52620641 is 14602625.

52620641 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 an interprime number because it is at equal distance from previous prime (52620629) and next prime (52620653).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52620641 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 52620641.

It is not an unprimeable number, because it can be changed into a prime (52620611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 117761 + ... + 118206.

It is an arithmetic number, because the mean of its divisors is an integer number (13214208).

Almost surely, 2^52620641 is an apocalyptic number.

It is an amenable number.

52620641 is a deficient number, since it is larger than the sum of its proper divisors (236191).

52620641 is a wasteful number, since it uses less digits than its factorization.

52620641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236190.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 52620641 is about 7254.0086159309. The cubic root of 52620641 is about 374.7302142512.

The spelling of 52620641 in words is "fifty-two million, six hundred twenty thousand, six hundred forty-one".