50015725 has 6 divisors (see below), whose sum is σ = 62019530. Its totient is φ = 40012560.

The previous prime is 50015723. The next prime is 50015753. The reversal of 50015725 is 52751005.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 11115556 + 38900169 = 3334^2 + 6237^2 .

It is not a de Polignac number, because 50015725 - 2¹ = 50015723 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: 2000629 = 50015725 / (5 + 0 + 0 + 1 + 5 + 7 + 2 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 50015725.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50015723) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1000290 + ... + 1000339.

Almost surely, 2^50015725 is an apocalyptic number.

It is an amenable number.

50015725 is a deficient number, since it is larger than the sum of its proper divisors (12003805).

50015725 is a wasteful number, since it uses less digits than its factorization.

50015725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2000639 (or 2000634 counting only the distinct ones).

The product of its (nonzero) digits is 1750, while the sum is 25.

The square root of 50015725 is about 7072.1796498675. The cubic root of 50015725 is about 368.4417667462.

The spelling of 50015725 in words is "fifty million, fifteen thousand, seven hundred twenty-five".