50886621 has 18 divisors (see below), whose sum is σ = 74593818. Its totient is φ = 33428160.

The previous prime is 50886611. The next prime is 50886637. The reversal of 50886621 is 12668805.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 13505625 + 37380996 = 3675^2 + 6114^2 .

It is not a de Polignac number, because 50886621 - 2⁹ = 50886109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50886611) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 47431 + ... + 48491.

It is an arithmetic number, because the mean of its divisors is an integer number (4144101).

Almost surely, 2^50886621 is an apocalyptic number.

It is an amenable number.

50886621 is a deficient number, since it is larger than the sum of its proper divisors (23707197).

50886621 is a wasteful number, since it uses less digits than its factorization.

50886621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1213 (or 1137 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The square root of 50886621 is about 7133.4858940072. The cubic root of 50886621 is about 370.5679638416.

The spelling of 50886621 in words is "fifty million, eight hundred eighty-six thousand, six hundred twenty-one".