50421404 has 24 divisors (see below), whose sum is σ = 96733056. Its totient is φ = 22806000.

The previous prime is 50421403. The next prime is 50421409. The reversal of 50421404 is 40412405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50421403) 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, 6569 + ... + 11999.

It is an arithmetic number, because the mean of its divisors is an integer number (4030544).

Almost surely, 2^50421404 is an apocalyptic number.

It is an amenable number.

50421404 is a deficient number, since it is larger than the sum of its proper divisors (46311652).

50421404 is a wasteful number, since it uses less digits than its factorization.

50421404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5657 (or 5655 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 50421404 is about 7100.8030531765. The cubic root of 50421404 is about 369.4352328522.

Adding to 50421404 its reverse (40412405), we get a palindrome (90833809).

It can be divided in two parts, 5042 and 1404, that added together give a palindrome (6446).

The spelling of 50421404 in words is "fifty million, four hundred twenty-one thousand, four hundred four".