48993191 has 16 divisors (see below), whose sum is σ = 55977600. Its totient is φ = 42506208.

The previous prime is 48993173. The next prime is 48993221. The reversal of 48993191 is 19139984.

It is a cyclic number.

It is not a de Polignac number, because 48993191 - 2⁶ = 48993127 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 (48993101) 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, 33620 + ... + 35046.

It is an arithmetic number, because the mean of its divisors is an integer number (3498600).

Almost surely, 2^48993191 is an apocalyptic number.

48993191 is a deficient number, since it is larger than the sum of its proper divisors (6984409).

48993191 is a wasteful number, since it uses less digits than its factorization.

48993191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1598.

The product of its digits is 69984, while the sum is 44.

The square root of 48993191 is about 6999.5136259600. The cubic root of 48993191 is about 365.9136204127.

The spelling of 48993191 in words is "forty-eight million, nine hundred ninety-three thousand, one hundred ninety-one".