50388985 has 8 divisors (see below), whose sum is σ = 60640200. Its totient is φ = 40195584.

The previous prime is 50388977. The next prime is 50388997. The reversal of 50388985 is 58988305.

It can be written as a sum of positive squares in 4 ways, for example, as 559504 + 49829481 = 748^2 + 7059^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 50388985 - 2³ = 50388977 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12510 + ... + 16039.

It is an arithmetic number, because the mean of its divisors is an integer number (7580025).

Almost surely, 2^50388985 is an apocalyptic number.

It is an amenable number.

50388985 is a deficient number, since it is larger than the sum of its proper divisors (10251215).

50388985 is a wasteful number, since it uses less digits than its factorization.

50388985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28907.

The product of its (nonzero) digits is 345600, while the sum is 46.

The square root of 50388985 is about 7098.5199161515. The cubic root of 50388985 is about 369.3560383856.

The spelling of 50388985 in words is "fifty million, three hundred eighty-eight thousand, nine hundred eighty-five".