54967997477 has 2 divisors, whose sum is σ = 54967997478. Its totient is φ = 54967997476.

The previous prime is 54967997453. The next prime is 54967997503. The reversal of 54967997477 is 77479976945.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 54098573281 + 869424196 = 232591^2 + 29486^2 .

It is a cyclic number.

It is not a de Polignac number, because 54967997477 - 2⁸ = 54967997221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54967997677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27483998738 + 27483998739.

It is an arithmetic number, because the mean of its divisors is an integer number (27483998739).

Almost surely, 2^54967997477 is an apocalyptic number.

It is an amenable number.

54967997477 is a deficient number, since it is larger than the sum of its proper divisors (1).

54967997477 is an equidigital number, since it uses as much as digits as its factorization.

54967997477 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 840157920, while the sum is 74.

The spelling of 54967997477 in words is "fifty-four billion, nine hundred sixty-seven million, nine hundred ninety-seven thousand, four hundred seventy-seven".