50456404 has 36 divisors (see below), whose sum is σ = 94488660. Its totient is φ = 23533440.

The previous prime is 50456401. The next prime is 50456443. The reversal of 50456404 is 40465405.

It can be written as a sum of positive squares in 2 ways, for example, as 12264004 + 38192400 = 3502^2 + 6180^2 .

It is a super-2 number, since 2×50456404² = 5091697409222432, which contains 22 as substring.

It is a Smith number, since the sum of its digits (28) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50456401) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 489817 + ... + 489919.

It is an arithmetic number, because the mean of its divisors is an integer number (2624685).

Almost surely, 2^50456404 is an apocalyptic number.

It is an amenable number.

50456404 is a deficient number, since it is larger than the sum of its proper divisors (44032256).

50456404 is a wasteful number, since it uses less digits than its factorization.

50456404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280 (or 175 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 50456404 is about 7103.2671356215. The cubic root of 50456404 is about 369.5206941936.

Subtracting from 50456404 its reverse (40465405), we obtain a palindrome (9990999).

It can be divided in two parts, 5045 and 6404, that added together give a square (11449 = 107²).

The spelling of 50456404 in words is "fifty million, four hundred fifty-six thousand, four hundred four".