49686331 has 4 divisors (see below), whose sum is σ = 49701952. Its totient is φ = 49670712.

The previous prime is 49686313. The next prime is 49686347. The reversal of 49686331 is 13368694.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49686331 is a prime.

It is a super-2 number, since 2×49686331² = 4937462976483122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49686361) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1140 + ... + 10033.

It is an arithmetic number, because the mean of its divisors is an integer number (12425488).

Almost surely, 2^49686331 is an apocalyptic number.

49686331 is a deficient number, since it is larger than the sum of its proper divisors (15621).

49686331 is a wasteful number, since it uses less digits than its factorization.

49686331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15620.

The product of its digits is 93312, while the sum is 40.

The square root of 49686331 is about 7048.8531691333. The cubic root of 49686331 is about 367.6311556179.

The spelling of 49686331 in words is "forty-nine million, six hundred eighty-six thousand, three hundred thirty-one".