48911493 has 4 divisors (see below), whose sum is σ = 65215328. Its totient is φ = 32607660.

The previous prime is 48911479. The next prime is 48911497. The reversal of 48911493 is 39411984.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 48911493 - 2⁴ = 48911477 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48911497) 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, 8151913 + ... + 8151918.

It is an arithmetic number, because the mean of its divisors is an integer number (16303832).

Almost surely, 2^48911493 is an apocalyptic number.

It is an amenable number.

48911493 is a deficient number, since it is larger than the sum of its proper divisors (16303835).

48911493 is a wasteful number, since it uses less digits than its factorization.

48911493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16303834.

The product of its digits is 31104, while the sum is 39.

The square root of 48911493 is about 6993.6752140774. The cubic root of 48911493 is about 365.7101156504.

The spelling of 48911493 in words is "forty-eight million, nine hundred eleven thousand, four hundred ninety-three".