50528985 has 16 divisors (see below), whose sum is σ = 87065664. Its totient is φ = 24875712.

The previous prime is 50528983. The next prime is 50529001. The reversal of 50528985 is 58982505.

It is not a de Polignac number, because 50528985 - 2¹ = 50528983 is a prime.

It is not an unprimeable number, because it can be changed into a prime (50528983) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 129367 + ... + 129756.

It is an arithmetic number, because the mean of its divisors is an integer number (5441604).

Almost surely, 2^50528985 is an apocalyptic number.

It is an amenable number.

50528985 is a deficient number, since it is larger than the sum of its proper divisors (36536679).

50528985 is a wasteful number, since it uses less digits than its factorization.

50528985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259144.

The product of its (nonzero) digits is 144000, while the sum is 42.

The square root of 50528985 is about 7108.3742867128. The cubic root of 50528985 is about 369.6977931640.

The spelling of 50528985 in words is "fifty million, five hundred twenty-eight thousand, nine hundred eighty-five".