546717891 has 16 divisors (see below), whose sum is σ = 759518208. Its totient is φ = 349418400.

The previous prime is 546717881. The next prime is 546717901. The reversal of 546717891 is 198717645.

It is an interprime number because it is at equal distance from previous prime (546717881) and next prime (546717901).

It is not a de Polignac number, because 546717891 - 2¹⁷ = 546586819 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 546717891.

It is not an unprimeable number, because it can be changed into a prime (546717851) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17520 + ... + 37421.

It is an arithmetic number, because the mean of its divisors is an integer number (47469888).

Almost surely, 2^546717891 is an apocalyptic number.

546717891 is a deficient number, since it is larger than the sum of its proper divisors (212800317).

546717891 is a wasteful number, since it uses less digits than its factorization.

546717891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55082.

The product of its digits is 423360, while the sum is 48.

The square root of 546717891 is about 23381.9992943290. Note that the first 3 decimals coincide. The cubic root of 546717891 is about 817.6882593486.

It can be divided in two parts, 54 and 6717891, that added together give a triangular number (6717945 = T₃₆₆₅).

The spelling of 546717891 in words is "five hundred forty-six million, seven hundred seventeen thousand, eight hundred ninety-one".