54810513091 has 2 divisors, whose sum is σ = 54810513092. Its totient is φ = 54810513090.

The previous prime is 54810513071. The next prime is 54810513137. The reversal of 54810513091 is 19031501845.

54810513091 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54810513091 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 54810513091.

It is not a weakly prime, because it can be changed into another prime (54810513001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27405256545 + 27405256546.

It is an arithmetic number, because the mean of its divisors is an integer number (27405256546).

Almost surely, 2^54810513091 is an apocalyptic number.

54810513091 is a deficient number, since it is larger than the sum of its proper divisors (1).

54810513091 is an equidigital number, since it uses as much as digits as its factorization.

54810513091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21600, while the sum is 37.

The spelling of 54810513091 in words is "fifty-four billion, eight hundred ten million, five hundred thirteen thousand, ninety-one".