50871858 has 16 divisors (see below), whose sum is σ = 105252480. Its totient is φ = 16372496.

The previous prime is 50871841. The next prime is 50871859. The reversal of 50871858 is 85817805.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (50871859) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 146010 + ... + 146357.

It is an arithmetic number, because the mean of its divisors is an integer number (6578280).

Almost surely, 2^50871858 is an apocalyptic number.

50871858 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

50871858 is an abundant number, since it is smaller than the sum of its proper divisors (54380622).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

50871858 is a wasteful number, since it uses less digits than its factorization.

50871858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292401.

The product of its (nonzero) digits is 89600, while the sum is 42.

The square root of 50871858 is about 7132.4510513567. The cubic root of 50871858 is about 370.5321245327.

The spelling of 50871858 in words is "fifty million, eight hundred seventy-one thousand, eight hundred fifty-eight".