48168891 has 32 divisors (see below), whose sum is σ = 74571840. Its totient is φ = 30700800.

The previous prime is 48168889. The next prime is 48168893. The reversal of 48168891 is 19886184.

48168891 is a `hidden beast` number, since 481 + 6 + 88 + 91 = 666.

It is an interprime number because it is at equal distance from previous prime (48168889) and next prime (48168893).

It is not a de Polignac number, because 48168891 - 2¹ = 48168889 is a prime.

It is not an unprimeable number, because it can be changed into a prime (48168893) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 58261 + ... + 59081.

It is an arithmetic number, because the mean of its divisors is an integer number (2330370).

Almost surely, 2^48168891 is an apocalyptic number.

48168891 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

48168891 is a deficient number, since it is larger than the sum of its proper divisors (26402949).

48168891 is a wasteful number, since it uses less digits than its factorization.

48168891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 924 (or 918 counting only the distinct ones).

The product of its digits is 110592, while the sum is 45.

The square root of 48168891 is about 6940.3811854969. The cubic root of 48168891 is about 363.8498631116.

The spelling of 48168891 in words is "forty-eight million, one hundred sixty-eight thousand, eight hundred ninety-one".