54214339891 has 4 divisors (see below), whose sum is σ = 54221251392. Its totient is φ = 54207428392.

The previous prime is 54214339877. The next prime is 54214339969. The reversal of 54214339891 is 19893341245.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 54214339891 - 2⁵ = 54214339859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54214339831) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3443971 + ... + 3459676.

It is an arithmetic number, because the mean of its divisors is an integer number (13555312848).

Almost surely, 2^54214339891 is an apocalyptic number.

54214339891 is a deficient number, since it is larger than the sum of its proper divisors (6911501).

54214339891 is an equidigital number, since it uses as much as digits as its factorization.

54214339891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6911500.

The product of its digits is 933120, while the sum is 49.

The spelling of 54214339891 in words is "fifty-four billion, two hundred fourteen million, three hundred thirty-nine thousand, eight hundred ninety-one".