48909231 has 16 divisors (see below), whose sum is σ = 82809600. Its totient is φ = 27948024.

The previous prime is 48909229. The next prime is 48909233. The reversal of 48909231 is 13290984.

It is an interprime number because it is at equal distance from previous prime (48909229) and next prime (48909233).

It is not a de Polignac number, because 48909231 - 2¹ = 48909229 is a prime.

It is a super-2 number, since 2×48909231² = 4784225754022722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48909233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 129201 + ... + 129578.

It is an arithmetic number, because the mean of its divisors is an integer number (5175600).

Almost surely, 2^48909231 is an apocalyptic number.

48909231 is a deficient number, since it is larger than the sum of its proper divisors (33900369).

48909231 is a wasteful number, since it uses less digits than its factorization.

48909231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258795 (or 258789 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 48909231 is about 6993.5134946606. The cubic root of 48909231 is about 365.7044779227.

The spelling of 48909231 in words is "forty-eight million, nine hundred nine thousand, two hundred thirty-one".