50812621 has 2 divisors, whose sum is σ = 50812622. Its totient is φ = 50812620.

The previous prime is 50812613. The next prime is 50812649. The reversal of 50812621 is 12621805.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44756100 + 6056521 = 6690^2 + 2461^2 .

It is a cyclic number.

It is not a de Polignac number, because 50812621 - 2³ = 50812613 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50812651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25406310 + 25406311.

It is an arithmetic number, because the mean of its divisors is an integer number (25406311).

Almost surely, 2^50812621 is an apocalyptic number.

It is an amenable number.

50812621 is a deficient number, since it is larger than the sum of its proper divisors (1).

50812621 is an equidigital number, since it uses as much as digits as its factorization.

50812621 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 960, while the sum is 25.

The square root of 50812621 is about 7128.2972019971. The cubic root of 50812621 is about 370.3882484139.

The spelling of 50812621 in words is "fifty million, eight hundred twelve thousand, six hundred twenty-one".