50042087 has 4 divisors (see below), whose sum is σ = 50181840. Its totient is φ = 49902336.

The previous prime is 50042039. The next prime is 50042147. The reversal of 50042087 is 78024005.

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

It is a cyclic number.

It is not a de Polignac number, because 50042087 - 2¹² = 50037991 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 (50044087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69338 + ... + 70055.

It is an arithmetic number, because the mean of its divisors is an integer number (12545460).

Almost surely, 2^50042087 is an apocalyptic number.

50042087 is a deficient number, since it is larger than the sum of its proper divisors (139753).

50042087 is a wasteful number, since it uses less digits than its factorization.

50042087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139752.

The product of its (nonzero) digits is 2240, while the sum is 26.

The square root of 50042087 is about 7074.0431861843. The cubic root of 50042087 is about 368.5064874308.

The spelling of 50042087 in words is "fifty million, forty-two thousand, eighty-seven".