50504400 has 90 divisors (see below), whose sum is σ = 175276790. Its totient is φ = 13466880.

The previous prime is 50504357. The next prime is 50504407. The reversal of 50504400 is 440505.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 207936 + 50296464 = 456^2 + 7092^2 .

It is a tau number, because it is divible by the number of its divisors (90).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50504407) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 3415 + ... + 10614.

Almost surely, 2^50504400 is an apocalyptic number.

50504400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

50504400 is an abundant number, since it is smaller than the sum of its proper divisors (124772390).

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

50504400 is a wasteful number, since it uses less digits than its factorization.

50504400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14053 (or 14039 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 18.

The square root of 50504400 is about 7106.6447779525. The cubic root of 50504400 is about 369.6378243181.

Adding to 50504400 its reverse (440505), we get a palindrome (50944905).

The spelling of 50504400 in words is "fifty million, five hundred four thousand, four hundred".