50534621 has 4 divisors (see below), whose sum is σ = 51391200. Its totient is φ = 49678044.

The previous prime is 50534593. The next prime is 50534639. The reversal of 50534621 is 12643505.

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 a de Polignac number, because none of the positive numbers 2^k-50534621 is a prime.

It is a super-2 number, since 2×50534621² = 5107495839227282, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50534521) 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, 428201 + ... + 428318.

It is an arithmetic number, because the mean of its divisors is an integer number (12847800).

Almost surely, 2^50534621 is an apocalyptic number.

It is an amenable number.

50534621 is a deficient number, since it is larger than the sum of its proper divisors (856579).

50534621 is an equidigital number, since it uses as much as digits as its factorization.

50534621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 856578.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 50534621 is about 7108.7707094828. The cubic root of 50534621 is about 369.7115380096.

The spelling of 50534621 in words is "fifty million, five hundred thirty-four thousand, six hundred twenty-one".