50512621 has 4 divisors (see below), whose sum is σ = 53171200. Its totient is φ = 47854044.

The previous prime is 50512619. The next prime is 50512633. The reversal of 50512621 is 12621505.

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 50512621 - 2¹ = 50512619 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 50512592 and 50512601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50512681) 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, 1329261 + ... + 1329298.

It is an arithmetic number, because the mean of its divisors is an integer number (13292800).

Almost surely, 2^50512621 is an apocalyptic number.

It is an amenable number.

50512621 is a deficient number, since it is larger than the sum of its proper divisors (2658579).

50512621 is a wasteful number, since it uses less digits than its factorization.

50512621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2658578.

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 50512621 is about 7107.2231567610. The cubic root of 50512621 is about 369.6578795191.

The spelling of 50512621 in words is "fifty million, five hundred twelve thousand, six hundred twenty-one".