50400225 has 30 divisors (see below), whose sum is σ = 93362390. Its totient is φ = 26879040.

The previous prime is 50400197. The next prime is 50400241. The reversal of 50400225 is 52200405.

It can be written as a sum of positive squares in 3 ways, for example, as 613089 + 49787136 = 783^2 + 7056^2 .

It is not a de Polignac number, because 50400225 - 2¹⁴ = 50383841 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 50400198 and 50400207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 10420 + ... + 14469.

Almost surely, 2^50400225 is an apocalyptic number.

It is an amenable number.

50400225 is a deficient number, since it is larger than the sum of its proper divisors (42962165).

50400225 is a wasteful number, since it uses less digits than its factorization.

50400225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24911 (or 24897 counting only the distinct ones).

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

The square root of 50400225 is about 7099.3115863441. The cubic root of 50400225 is about 369.3834997658.

It can be divided in two parts, 50400 and 225, that added together give a 4-th power (50625 = 15⁴).

The spelling of 50400225 in words is "fifty million, four hundred thousand, two hundred twenty-five".