50445025 has 6 divisors (see below), whose sum is σ = 62551862. Its totient is φ = 40356000.

The previous prime is 50444983. The next prime is 50445061. The reversal of 50445025 is 52054405.

It can be written as a sum of positive squares in 3 ways, for example, as 91809 + 50353216 = 303^2 + 7096^2 .

It is a de Polignac number, because none of the positive numbers 2^k-50445025 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: 2017801 = 50445025 / (5 + 0 + 4 + 4 + 5 + 0 + 2 + 5).

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1008876 + ... + 1008925.

Almost surely, 2^50445025 is an apocalyptic number.

It is an amenable number.

50445025 is a deficient number, since it is larger than the sum of its proper divisors (12106837).

50445025 is a wasteful number, since it uses less digits than its factorization.

50445025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2017811 (or 2017806 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 25.

The square root of 50445025 is about 7102.4661210033. The cubic root of 50445025 is about 369.4929138276.

The spelling of 50445025 in words is "fifty million, four hundred forty-five thousand, twenty-five".