48189811 has 2 divisors, whose sum is σ = 48189812. Its totient is φ = 48189810.

The previous prime is 48189787. The next prime is 48189821. The reversal of 48189811 is 11898184.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-48189811 is a prime.

It is not a weakly prime, because it can be changed into another prime (48189821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24094905 + 24094906.

It is an arithmetic number, because the mean of its divisors is an integer number (24094906).

Almost surely, 2^48189811 is an apocalyptic number.

48189811 is a deficient number, since it is larger than the sum of its proper divisors (1).

48189811 is an equidigital number, since it uses as much as digits as its factorization.

48189811 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18432, while the sum is 40.

The square root of 48189811 is about 6941.8881437257. Note that the first 3 decimals coincide. The cubic root of 48189811 is about 363.9025294509.

The spelling of 48189811 in words is "forty-eight million, one hundred eighty-nine thousand, eight hundred eleven".