50400003 has 8 divisors (see below), whose sum is σ = 68120848. Its totient is φ = 33139584.

The previous prime is 50400001. The next prime is 50400037. The reversal of 50400003 is 30000405.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 50400003 - 2¹ = 50400001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50400001) 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, 114850 + ... + 115287.

It is an arithmetic number, because the mean of its divisors is an integer number (8515106).

Almost surely, 2^50400003 is an apocalyptic number.

50400003 is a deficient number, since it is larger than the sum of its proper divisors (17720845).

50400003 is a wasteful number, since it uses less digits than its factorization.

50400003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230213.

The product of its (nonzero) digits is 60, while the sum is 12.

The square root of 50400003 is about 7099.2959510081. The cubic root of 50400003 is about 369.3829574186.

Adding to 50400003 its reverse (30000405), we get a palindrome (80400408).

The spelling of 50400003 in words is "fifty million, four hundred thousand, three".