54651238091 has 2 divisors, whose sum is σ = 54651238092. Its totient is φ = 54651238090.

The previous prime is 54651238027. The next prime is 54651238127. The reversal of 54651238091 is 19083215645.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 54651238091 - 2⁶ = 54651238027 is a prime.

It is not a weakly prime, because it can be changed into another prime (54651238001) 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, 27325619045 + 27325619046.

It is an arithmetic number, because the mean of its divisors is an integer number (27325619046).

Almost surely, 2^54651238091 is an apocalyptic number.

54651238091 is a deficient number, since it is larger than the sum of its proper divisors (1).

54651238091 is an equidigital number, since it uses as much as digits as its factorization.

54651238091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 259200, while the sum is 44.

The spelling of 54651238091 in words is "fifty-four billion, six hundred fifty-one million, two hundred thirty-eight thousand, ninety-one".