50502142 has 4 divisors (see below), whose sum is σ = 75753216. Its totient is φ = 25251070.

The previous prime is 50502139. The next prime is 50502149. The reversal of 50502142 is 24120505.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50502149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12625534 + ... + 12625537.

It is an arithmetic number, because the mean of its divisors is an integer number (18938304).

Almost surely, 2^50502142 is an apocalyptic number.

50502142 is a deficient number, since it is larger than the sum of its proper divisors (25251074).

50502142 is a wasteful number, since it uses less digits than its factorization.

50502142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25251073.

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 50502142 is about 7106.4859107719. The cubic root of 50502142 is about 369.6323155265.

Adding to 50502142 its reverse (24120505), we get a palindrome (74622647).

The spelling of 50502142 in words is "fifty million, five hundred two thousand, one hundred forty-two".