50142458 has 16 divisors (see below), whose sum is σ = 76416480. Its totient is φ = 24672816.

The previous prime is 50142457. The next prime is 50142473. The reversal of 50142458 is 85424105.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 50142458.

It is not an unprimeable number, because it can be changed into a prime (50142451) 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 7 ways as a sum of consecutive naturals, for example, 62516 + ... + 63312.

It is an arithmetic number, because the mean of its divisors is an integer number (4776030).

Almost surely, 2^50142458 is an apocalyptic number.

50142458 is a deficient number, since it is larger than the sum of its proper divisors (26274022).

50142458 is a wasteful number, since it uses less digits than its factorization.

50142458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1261.

The product of its (nonzero) digits is 6400, while the sum is 29.

The square root of 50142458 is about 7081.1339487401. The cubic root of 50142458 is about 368.7526979406.

The spelling of 50142458 in words is "fifty million, one hundred forty-two thousand, four hundred fifty-eight".