50156889 has 4 divisors (see below), whose sum is σ = 66875856. Its totient is φ = 33437924.

The previous prime is 50156881. The next prime is 50156917. The reversal of 50156889 is 98865105.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 50156889 - 2³ = 50156881 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 50156889.

It is not an unprimeable number, because it can be changed into a prime (50156881) 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, 8359479 + ... + 8359484.

It is an arithmetic number, because the mean of its divisors is an integer number (16718964).

Almost surely, 2^50156889 is an apocalyptic number.

It is an amenable number.

50156889 is a deficient number, since it is larger than the sum of its proper divisors (16718967).

50156889 is a wasteful number, since it uses less digits than its factorization.

50156889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16718966.

The product of its (nonzero) digits is 86400, while the sum is 42.

The square root of 50156889 is about 7082.1528506521. The cubic root of 50156889 is about 368.7880702244.

The spelling of 50156889 in words is "fifty million, one hundred fifty-six thousand, eight hundred eighty-nine".