48995831 has 4 divisors (see below), whose sum is σ = 49092600. Its totient is φ = 48899064.

The previous prime is 48995809. The next prime is 48995839. The reversal of 48995831 is 13859984.

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

It is a cyclic number.

It is not a de Polignac number, because 48995831 - 2¹⁸ = 48733687 is a prime.

It is a super-2 number, since 2×48995831² = 4801182910761122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48995839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47621 + ... + 48638.

It is an arithmetic number, because the mean of its divisors is an integer number (12273150).

Almost surely, 2^48995831 is an apocalyptic number.

48995831 is a deficient number, since it is larger than the sum of its proper divisors (96769).

48995831 is an equidigital number, since it uses as much as digits as its factorization.

48995831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96768.

The product of its digits is 311040, while the sum is 47.

The square root of 48995831 is about 6999.7022079514. The cubic root of 48995831 is about 365.9201927178.

The spelling of 48995831 in words is "forty-eight million, nine hundred ninety-five thousand, eight hundred thirty-one".