50390087 has 12 divisors (see below), whose sum is σ = 56303688. Its totient is φ = 45051600.

The previous prime is 50390083. The next prime is 50390089. The reversal of 50390087 is 78009305.

It is not a de Polignac number, because 50390087 - 2² = 50390083 is a prime.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct 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 (50390083) 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, 3968 + ... + 10794.

It is an arithmetic number, because the mean of its divisors is an integer number (4691974).

Almost surely, 2^50390087 is an apocalyptic number.

50390087 is a deficient number, since it is larger than the sum of its proper divisors (5913601).

50390087 is a wasteful number, since it uses less digits than its factorization.

50390087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6910 (or 6899 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 32.

The square root of 50390087 is about 7098.5975375422. The cubic root of 50390087 is about 369.3587309541.

The spelling of 50390087 in words is "fifty million, three hundred ninety thousand, eighty-seven".