54521412091 has 2 divisors, whose sum is σ = 54521412092. Its totient is φ = 54521412090.

The previous prime is 54521411983. The next prime is 54521412119. The reversal of 54521412091 is 19021412545.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 54521412091 - 2⁷ = 54521411963 is a prime.

It is not a weakly prime, because it can be changed into another prime (54521412391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27260706045 + 27260706046.

It is an arithmetic number, because the mean of its divisors is an integer number (27260706046).

Almost surely, 2^54521412091 is an apocalyptic number.

54521412091 is a deficient number, since it is larger than the sum of its proper divisors (1).

54521412091 is an equidigital number, since it uses as much as digits as its factorization.

54521412091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14400, while the sum is 34.

The spelling of 54521412091 in words is "fifty-four billion, five hundred twenty-one million, four hundred twelve thousand, ninety-one".