50887421 has 12 divisors (see below), whose sum is σ = 55323828. Its totient is φ = 46785024.

The previous prime is 50887411. The next prime is 50887423. The reversal of 50887421 is 12478805.

It can be written as a sum of positive squares in 6 ways, for example, as 21576025 + 29311396 = 4645^2 + 5414^2 .

It is not a de Polignac number, because 50887421 - 2¹⁰ = 50886397 is a prime.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50887423) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 59231 + ... + 60083.

It is an arithmetic number, because the mean of its divisors is an integer number (4610319).

Almost surely, 2^50887421 is an apocalyptic number.

It is an amenable number.

50887421 is a deficient number, since it is larger than the sum of its proper divisors (4436407).

50887421 is a wasteful number, since it uses less digits than its factorization.

50887421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1232 (or 1219 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 35.

The square root of 50887421 is about 7133.5419673539. The cubic root of 50887421 is about 370.5699057588.

The spelling of 50887421 in words is "fifty million, eight hundred eighty-seven thousand, four hundred twenty-one".