50085505 has 4 divisors (see below), whose sum is σ = 60102612. Its totient is φ = 40068400.

The previous prime is 50085487. The next prime is 50085517. The reversal of 50085505 is 50558005.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 50558005 = 5 ⋅10111601.

It can be written as a sum of positive squares in 2 ways, for example, as 20502784 + 29582721 = 4528^2 + 5439^2 .

It is a de Polignac number, because none of the positive numbers 2^k-50085505 is a prime.

It is a super-2 number, since 2×50085505² = 5017115622210050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5008546 + ... + 5008555.

It is an arithmetic number, because the mean of its divisors is an integer number (15025653).

Almost surely, 2^50085505 is an apocalyptic number.

It is an amenable number.

50085505 is a deficient number, since it is larger than the sum of its proper divisors (10017107).

50085505 is a wasteful number, since it uses less digits than its factorization.

50085505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10017106.

The product of its (nonzero) digits is 5000, while the sum is 28.

The square root of 50085505 is about 7077.1113457399. Note that the first 3 decimals coincide. The cubic root of 50085505 is about 368.6130323450.

The spelling of 50085505 in words is "fifty million, eighty-five thousand, five hundred five".