50686685 has 8 divisors (see below), whose sum is σ = 69513216. Its totient is φ = 34756560.

The previous prime is 50686681. The next prime is 50686703. The reversal of 50686685 is 58668605.

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

It is not a de Polignac number, because 50686685 - 2² = 50686681 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50686681) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 724061 + ... + 724130.

It is an arithmetic number, because the mean of its divisors is an integer number (8689152).

Almost surely, 2^50686685 is an apocalyptic number.

It is an amenable number.

50686685 is a deficient number, since it is larger than the sum of its proper divisors (18826531).

50686685 is a wasteful number, since it uses less digits than its factorization.

50686685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1448203.

The product of its (nonzero) digits is 345600, while the sum is 44.

The square root of 50686685 is about 7119.4581956775. The cubic root of 50686685 is about 370.0820003305.

The spelling of 50686685 in words is "fifty million, six hundred eighty-six thousand, six hundred eighty-five".