54191827 has 2 divisors, whose sum is σ = 54191828. Its totient is φ = 54191826.

The previous prime is 54191783. The next prime is 54191843. The reversal of 54191827 is 72819145.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 54191827 - 2¹⁹ = 53667539 is a prime.

It is a super-2 number, since 2×54191827² = 5873508227195858, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (54198827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27095913 + 27095914.

It is an arithmetic number, because the mean of its divisors is an integer number (27095914).

Almost surely, 2^54191827 is an apocalyptic number.

54191827 is a deficient number, since it is larger than the sum of its proper divisors (1).

54191827 is an equidigital number, since it uses as much as digits as its factorization.

54191827 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20160, while the sum is 37.

The square root of 54191827 is about 7361.5098315495. The cubic root of 54191827 is about 378.4233543260.

The spelling of 54191827 in words is "fifty-four million, one hundred ninety-one thousand, eight hundred twenty-seven".