48193891 has 4 divisors (see below), whose sum is σ = 48220000. Its totient is φ = 48167784.

The previous prime is 48193889. The next prime is 48193897. The reversal of 48193891 is 19839184.

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

It is a cyclic number.

It is not a de Polignac number, because 48193891 - 2¹ = 48193889 is a prime.

It is a super-2 number, since 2×48193891² = 4645302259439762, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (48193897) 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, 10056 + ... + 14053.

It is an arithmetic number, because the mean of its divisors is an integer number (12055000).

Almost surely, 2^48193891 is an apocalyptic number.

48193891 is a deficient number, since it is larger than the sum of its proper divisors (26109).

48193891 is a wasteful number, since it uses less digits than its factorization.

48193891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26108.

The product of its digits is 62208, while the sum is 43.

The square root of 48193891 is about 6942.1820056809. The cubic root of 48193891 is about 363.9127991212.

The spelling of 48193891 in words is "forty-eight million, one hundred ninety-three thousand, eight hundred ninety-one".