50423140 has 24 divisors (see below), whose sum is σ = 107888760. Its totient is φ = 19788288.

The previous prime is 50423137. The next prime is 50423147. The reversal of 50423140 is 4132405.

It can be written as a sum of positive squares in 4 ways, for example, as 8328996 + 42094144 = 2886^2 + 6488^2 .

It is not an unprimeable number, because it can be changed into a prime (50423147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22725 + ... + 24844.

It is an arithmetic number, because the mean of its divisors is an integer number (4495365).

Almost surely, 2^50423140 is an apocalyptic number.

It is an amenable number.

50423140 is an abundant number, since it is smaller than the sum of its proper divisors (57465620).

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

50423140 is a wasteful number, since it uses less digits than its factorization.

50423140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47631 (or 47629 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 50423140 is about 7100.9252918194. The cubic root of 50423140 is about 369.4394726667.

Adding to 50423140 its reverse (4132405), we get a palindrome (54555545).

The spelling of 50423140 in words is "fifty million, four hundred twenty-three thousand, one hundred forty".