50400331225 has 6 divisors (see below), whose sum is σ = 62496410750. Its totient is φ = 40320264960.

The previous prime is 50400331207. The next prime is 50400331249. The reversal of 50400331225 is 52213300405.

It can be written as a sum of positive squares in 3 ways, for example, as 18082718784 + 32317612441 = 134472^2 + 179771^2 .

It is not a de Polignac number, because 50400331225 - 2⁵ = 50400331193 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25), and also a Moran number because the ratio is a prime number: 2016013249 = 50400331225 / (5 + 0 + 4 + 0 + 0 + 3 + 3 + 1 + 2 + 2 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 50400331225.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1008006600 + ... + 1008006649.

Almost surely, 2^50400331225 is an apocalyptic number.

It is an amenable number.

50400331225 is a deficient number, since it is larger than the sum of its proper divisors (12096079525).

50400331225 is a wasteful number, since it uses less digits than its factorization.

50400331225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2016013259 (or 2016013254 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 25.

The spelling of 50400331225 in words is "fifty billion, four hundred million, three hundred thirty-one thousand, two hundred twenty-five".