48899891 has 2 divisors, whose sum is σ = 48899892. Its totient is φ = 48899890.

The previous prime is 48899843. The next prime is 48899899. The reversal of 48899891 is 19899884.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 48899891 - 2¹⁴ = 48883507 is a prime.

It is not a weakly prime, because it can be changed into another prime (48899899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24449945 + 24449946.

It is an arithmetic number, because the mean of its divisors is an integer number (24449946).

Almost surely, 2^48899891 is an apocalyptic number.

48899891 is a deficient number, since it is larger than the sum of its proper divisors (1).

48899891 is an equidigital number, since it uses as much as digits as its factorization.

48899891 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1492992, while the sum is 56.

The square root of 48899891 is about 6992.8457011434. The cubic root of 48899891 is about 365.6811974008.

The spelling of 48899891 in words is "forty-eight million, eight hundred ninety-nine thousand, eight hundred ninety-one".