50290861 has 4 divisors (see below), whose sum is σ = 50318812. Its totient is φ = 50262912.

The previous prime is 50290859. The next prime is 50290871. The reversal of 50290861 is 16809205.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 36228361 + 14062500 = 6019^2 + 3750^2 .

It is a cyclic number.

It is not a de Polignac number, because 50290861 - 2¹ = 50290859 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 (50290831) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11076 + ... + 14941.

It is an arithmetic number, because the mean of its divisors is an integer number (12579703).

Almost surely, 2^50290861 is an apocalyptic number.

It is an amenable number.

50290861 is a deficient number, since it is larger than the sum of its proper divisors (27951).

50290861 is a wasteful number, since it uses less digits than its factorization.

50290861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27950.

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 50290861 is about 7091.6049664374. The cubic root of 50290861 is about 369.1161298494.

The spelling of 50290861 in words is "fifty million, two hundred ninety thousand, eight hundred sixty-one".