48965391 has 20 divisors (see below), whose sum is σ = 73689000. Its totient is φ = 32401296.

The previous prime is 48965377. The next prime is 48965419. The reversal of 48965391 is 19356984.

It is a happy number.

It is not a de Polignac number, because 48965391 - 2⁵ = 48965359 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48965591) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 9085 + ... + 13433.

It is an arithmetic number, because the mean of its divisors is an integer number (3684450).

Almost surely, 2^48965391 is an apocalyptic number.

48965391 is a deficient number, since it is larger than the sum of its proper divisors (24723609).

48965391 is a wasteful number, since it uses less digits than its factorization.

48965391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4500 (or 4491 counting only the distinct ones).

The product of its digits is 233280, while the sum is 45.

The square root of 48965391 is about 6997.5274919074. The cubic root of 48965391 is about 365.8443977100.

The spelling of 48965391 in words is "forty-eight million, nine hundred sixty-five thousand, three hundred ninety-one".