54335593891 has 2 divisors, whose sum is σ = 54335593892. Its totient is φ = 54335593890.

The previous prime is 54335593849. The next prime is 54335593931. The reversal of 54335593891 is 19839553345.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 54335593891 - 2³¹ = 52188110243 is a prime.

It is not a weakly prime, because it can be changed into another prime (54335593801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27167796945 + 27167796946.

It is an arithmetic number, because the mean of its divisors is an integer number (27167796946).

Almost surely, 2^54335593891 is an apocalyptic number.

54335593891 is a deficient number, since it is larger than the sum of its proper divisors (1).

54335593891 is an equidigital number, since it uses as much as digits as its factorization.

54335593891 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8748000, while the sum is 55.

The spelling of 54335593891 in words is "fifty-four billion, three hundred thirty-five million, five hundred ninety-three thousand, eight hundred ninety-one".