52246621 has 4 divisors (see below), whose sum is σ = 59710432. Its totient is φ = 44782812.

The previous prime is 52246613. The next prime is 52246633. The reversal of 52246621 is 12664225.

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 52246621 - 2³ = 52246613 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 52246621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52246651) 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, 3731895 + ... + 3731908.

It is an arithmetic number, because the mean of its divisors is an integer number (14927608).

Almost surely, 2^52246621 is an apocalyptic number.

It is an amenable number.

52246621 is a deficient number, since it is larger than the sum of its proper divisors (7463811).

52246621 is an equidigital number, since it uses as much as digits as its factorization.

52246621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7463810.

The product of its digits is 5760, while the sum is 28.

The square root of 52246621 is about 7228.1824133042. The cubic root of 52246621 is about 373.8402594058.

The spelling of 52246621 in words is "fifty-two million, two hundred forty-six thousand, six hundred twenty-one".