50610021 has 16 divisors (see below), whose sum is σ = 84131328. Its totient is φ = 26290800.

The previous prime is 50610013. The next prime is 50610029. The reversal of 50610021 is 12001605.

50610021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (50610013) and next prime (50610029).

It is not a de Polignac number, because 50610021 - 2³ = 50610013 is a prime.

It is a super-2 number, since 2×50610021² = 5122748451240882, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50610029) 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, 109315 + ... + 109776.

It is an arithmetic number, because the mean of its divisors is an integer number (5258208).

Almost surely, 2^50610021 is an apocalyptic number.

It is an amenable number.

50610021 is a deficient number, since it is larger than the sum of its proper divisors (33521307).

50610021 is a wasteful number, since it uses less digits than its factorization.

50610021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219112.

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 50610021 is about 7114.0720406811. The cubic root of 50610021 is about 369.8953222264.

Adding to 50610021 its reverse (12001605), we get a palindrome (62611626).

The spelling of 50610021 in words is "fifty million, six hundred ten thousand, twenty-one".