48163891 has 2 divisors, whose sum is σ = 48163892. Its totient is φ = 48163890.

The previous prime is 48163823. The next prime is 48163901. The reversal of 48163891 is 19836184.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-48163891 is a prime.

It is a Chen prime.

It is equal to p_2897365 and since 48163891 and 2897365 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (48163991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24081945 + 24081946.

It is an arithmetic number, because the mean of its divisors is an integer number (24081946).

Almost surely, 2^48163891 is an apocalyptic number.

48163891 is a deficient number, since it is larger than the sum of its proper divisors (1).

48163891 is an equidigital number, since it uses as much as digits as its factorization.

48163891 is an evil number, because the sum of its binary digits is even.

The product of its digits is 41472, while the sum is 40.

The square root of 48163891 is about 6940.0209653862. The cubic root of 48163891 is about 363.8372732967.

The spelling of 48163891 in words is "forty-eight million, one hundred sixty-three thousand, eight hundred ninety-one".