50380989 has 8 divisors (see below), whose sum is σ = 70710240. Its totient is φ = 31819536.

The previous prime is 50380987. The next prime is 50380991. The reversal of 50380989 is 98908305.

It is an interprime number because it is at equal distance from previous prime (50380987) and next prime (50380991).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 50380989 - 2¹ = 50380987 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 50380989.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50380987) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 441882 + ... + 441995.

It is an arithmetic number, because the mean of its divisors is an integer number (8838780).

Almost surely, 2^50380989 is an apocalyptic number.

It is an amenable number.

50380989 is a deficient number, since it is larger than the sum of its proper divisors (20329251).

50380989 is a wasteful number, since it uses less digits than its factorization.

50380989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 883899.

The product of its (nonzero) digits is 77760, while the sum is 42.

The square root of 50380989 is about 7097.9566778052. The cubic root of 50380989 is about 369.3365002060.

The spelling of 50380989 in words is "fifty million, three hundred eighty thousand, nine hundred eighty-nine".