49631689 has 8 divisors (see below), whose sum is σ = 52217928. Its totient is φ = 47111040.

The previous prime is 49631663. The next prime is 49631693. The reversal of 49631689 is 98613694.

It can be written as a sum of positive squares in 4 ways, for example, as 15210000 + 34421689 = 3900^2 + 5867^2 .

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 49631689 - 2¹¹ = 49629641 is a prime.

It is not an unprimeable number, because it can be changed into a prime (49631609) 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, 14842 + ... + 17875.

It is an arithmetic number, because the mean of its divisors is an integer number (6527241).

Almost surely, 2^49631689 is an apocalyptic number.

It is an amenable number.

49631689 is a deficient number, since it is larger than the sum of its proper divisors (2586239).

49631689 is a wasteful number, since it uses less digits than its factorization.

49631689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32795.

The product of its digits is 279936, while the sum is 46.

The square root of 49631689 is about 7044.9761532599. The cubic root of 49631689 is about 367.4963400688.

The spelling of 49631689 in words is "forty-nine million, six hundred thirty-one thousand, six hundred eighty-nine".