50728025 has 6 divisors (see below), whose sum is σ = 62902782. Its totient is φ = 40582400.

The previous prime is 50727977. The next prime is 50728031. The reversal of 50728025 is 52082705.

It can be written as a sum of positive squares in 3 ways, for example, as 12880921 + 37847104 = 3589^2 + 6152^2 .

It is not a de Polignac number, because 50728025 - 2⁶ = 50727961 is a prime.

It is a Duffinian 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, 1014536 + ... + 1014585.

It is an arithmetic number, because the mean of its divisors is an integer number (10483797).

Almost surely, 2^50728025 is an apocalyptic number.

It is an amenable number.

50728025 is a deficient number, since it is larger than the sum of its proper divisors (12174757).

50728025 is a wasteful number, since it uses less digits than its factorization.

50728025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2029131 (or 2029126 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 29.

The square root of 50728025 is about 7122.3609147529. The cubic root of 50728025 is about 370.1825858028.

The spelling of 50728025 in words is "fifty million, seven hundred twenty-eight thousand, twenty-five".