54667575491 has 2 divisors, whose sum is σ = 54667575492. Its totient is φ = 54667575490.

The previous prime is 54667575467. The next prime is 54667575503. The reversal of 54667575491 is 19457576645.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54667575491 is a prime.

It is a super-3 number, since 3×54667575491³ (a number of 33 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 54667575491.

It is not a weakly prime, because it can be changed into another prime (54667515491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27333787745 + 27333787746.

It is an arithmetic number, because the mean of its divisors is an integer number (27333787746).

Almost surely, 2^54667575491 is an apocalyptic number.

54667575491 is a deficient number, since it is larger than the sum of its proper divisors (1).

54667575491 is an equidigital number, since it uses as much as digits as its factorization.

54667575491 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31752000, while the sum is 59.

The spelling of 54667575491 in words is "fifty-four billion, six hundred sixty-seven million, five hundred seventy-five thousand, four hundred ninety-one".