50621901 has 16 divisors (see below), whose sum is σ = 73751040. Its totient is φ = 30630320.

The previous prime is 50621897. The next prime is 50621939. The reversal of 50621901 is 10912605.

50621901 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 50621901 - 2² = 50621897 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50621951) 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 15 ways as a sum of consecutive naturals, for example, 37720 + ... + 39038.

It is an arithmetic number, because the mean of its divisors is an integer number (4609440).

Almost surely, 2^50621901 is an apocalyptic number.

It is an amenable number.

50621901 is a deficient number, since it is larger than the sum of its proper divisors (23129139).

50621901 is a wasteful number, since it uses less digits than its factorization.

50621901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2496.

The product of its (nonzero) digits is 540, while the sum is 24.

The square root of 50621901 is about 7114.9069565244. The cubic root of 50621901 is about 369.9242625598.

The spelling of 50621901 in words is "fifty million, six hundred twenty-one thousand, nine hundred one".