50215725 has 36 divisors (see below), whose sum is σ = 102794016. Its totient is φ = 22955040.

The previous prime is 50215723. The next prime is 50215741. The reversal of 50215725 is 52751205.

It is a happy number.

50215725 is a `hidden beast` number, since 502 + 157 + 2 + 5 = 666.

It is not a de Polignac number, because 50215725 - 2¹ = 50215723 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50215723) by changing a digit.

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 35 ways as a sum of consecutive naturals, for example, 14367 + ... + 17516.

Almost surely, 2^50215725 is an apocalyptic number.

It is an amenable number.

50215725 is an abundant number, since it is smaller than the sum of its proper divisors (52578291).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

50215725 is a wasteful number, since it uses less digits than its factorization.

50215725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31906 (or 31898 counting only the distinct ones).

The product of its (nonzero) digits is 3500, while the sum is 27.

The square root of 50215725 is about 7086.3054548897. The cubic root of 50215725 is about 368.9322148384.

The spelling of 50215725 in words is "fifty million, two hundred fifteen thousand, seven hundred twenty-five".