50201021 has 16 divisors (see below), whose sum is σ = 57167040. Its totient is φ = 43822512.

The previous prime is 50201003. The next prime is 50201027. The reversal of 50201021 is 12010205.

It is not a de Polignac number, because 50201021 - 2⁶ = 50200957 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 50200993 and 50201011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50201027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 88886 + ... + 89448.

It is an arithmetic number, because the mean of its divisors is an integer number (3572940).

Almost surely, 2^50201021 is an apocalyptic number.

It is an amenable number.

50201021 is a deficient number, since it is larger than the sum of its proper divisors (6966019).

50201021 is an equidigital number, since it uses as much as digits as its factorization.

50201021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 633 (or 595 counting only the distinct ones).

The product of its (nonzero) digits is 20, while the sum is 11.

The square root of 50201021 is about 7085.2678848439. The cubic root of 50201021 is about 368.8962014922.

Adding to 50201021 its reverse (12010205), we get a palindrome (62211226).

The spelling of 50201021 in words is "fifty million, two hundred one thousand, twenty-one".