49631893 has 4 divisors (see below), whose sum is σ = 50143660. Its totient is φ = 49120128.

The previous prime is 49631863. The next prime is 49631909. The reversal of 49631893 is 39813694.

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

It can be written as a sum of positive squares in 2 ways, for example, as 36505764 + 13126129 = 6042^2 + 3623^2 .

It is a cyclic number.

It is not a de Polignac number, because 49631893 - 2¹³ = 49623701 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 (49631863) 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, 255738 + ... + 255931.

It is an arithmetic number, because the mean of its divisors is an integer number (12535915).

Almost surely, 2^49631893 is an apocalyptic number.

It is an amenable number.

49631893 is a deficient number, since it is larger than the sum of its proper divisors (511767).

49631893 is an equidigital number, since it uses as much as digits as its factorization.

49631893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 511766.

The product of its digits is 139968, while the sum is 43.

The square root of 49631893 is about 7044.9906316474. The cubic root of 49631893 is about 367.4968435720.

The spelling of 49631893 in words is "forty-nine million, six hundred thirty-one thousand, eight hundred ninety-three".