50561885 has 16 divisors (see below), whose sum is σ = 67182912. Its totient is φ = 36220800.

The previous prime is 50561881. The next prime is 50561891. The reversal of 50561885 is 58816505.

It is not a de Polignac number, because 50561885 - 2² = 50561881 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50561881) 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, 3176 + ... + 10545.

It is an arithmetic number, because the mean of its divisors is an integer number (4198932).

Almost surely, 2^50561885 is an apocalyptic number.

50561885 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

50561885 is a deficient number, since it is larger than the sum of its proper divisors (16621027).

50561885 is a wasteful number, since it uses less digits than its factorization.

50561885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13804.

The product of its (nonzero) digits is 48000, while the sum is 38.

The square root of 50561885 is about 7110.6880820354. The cubic root of 50561885 is about 369.7780139093.

The spelling of 50561885 in words is "fifty million, five hundred sixty-one thousand, eight hundred eighty-five".