50251642 has 16 divisors (see below), whose sum is σ = 89891712. Its totient is φ = 20599920.

The previous prime is 50251639. The next prime is 50251681. The reversal of 50251642 is 24615205.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77709 + ... + 78352.

It is an arithmetic number, because the mean of its divisors is an integer number (5618232).

Almost surely, 2^50251642 is an apocalyptic number.

50251642 is a deficient number, since it is larger than the sum of its proper divisors (39640070).

50251642 is a wasteful number, since it uses less digits than its factorization.

50251642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156093.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 50251642 is about 7088.8392561829. The cubic root of 50251642 is about 369.0201539607.

Adding to 50251642 its reverse (24615205), we get a palindrome (74866847).

The spelling of 50251642 in words is "fifty million, two hundred fifty-one thousand, six hundred forty-two".