48199791 has 4 divisors (see below), whose sum is σ = 64266392. Its totient is φ = 32133192.

The previous prime is 48199787. The next prime is 48199807. The reversal of 48199791 is 19799184.

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

It is not a de Polignac number, because 48199791 - 2² = 48199787 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 48199791.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48199721) 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, 8033296 + ... + 8033301.

It is an arithmetic number, because the mean of its divisors is an integer number (16066598).

Almost surely, 2^48199791 is an apocalyptic number.

48199791 is a deficient number, since it is larger than the sum of its proper divisors (16066601).

48199791 is a wasteful number, since it uses less digits than its factorization.

48199791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16066600.

The product of its digits is 163296, while the sum is 48.

The square root of 48199791 is about 6942.6069311174. The cubic root of 48199791 is about 363.9276488450.

The spelling of 48199791 in words is "forty-eight million, one hundred ninety-nine thousand, seven hundred ninety-one".