50870985 has 16 divisors (see below), whose sum is σ = 88793280. Its totient is φ = 24664640.

The previous prime is 50870957. The next prime is 50871013. The reversal of 50870985 is 58907805.

It is an interprime number because it is at equal distance from previous prime (50870957) and next prime (50871013).

It is not a de Polignac number, because 50870985 - 2⁷ = 50870857 is a prime.

It is a super-2 number, since 2×50870985² = 5175714229740450, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 153990 + ... + 154319.

It is an arithmetic number, because the mean of its divisors is an integer number (5549580).

Almost surely, 2^50870985 is an apocalyptic number.

50870985 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

50870985 is a deficient number, since it is larger than the sum of its proper divisors (37922295).

50870985 is a wasteful number, since it uses less digits than its factorization.

50870985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308328.

The product of its (nonzero) digits is 100800, while the sum is 42.

The square root of 50870985 is about 7132.3898519360. The cubic root of 50870985 is about 370.5300049824.

The spelling of 50870985 in words is "fifty million, eight hundred seventy thousand, nine hundred eighty-five".