54780697 has 2 divisors, whose sum is σ = 54780698. Its totient is φ = 54780696.

The previous prime is 54780673. The next prime is 54780701. The reversal of 54780697 is 79608745.

It is a happy number.

54780697 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28933641 + 25847056 = 5379^2 + 5084^2 .

It is a cyclic number.

It is not a de Polignac number, because 54780697 - 2⁷ = 54780569 is a prime.

It is not a weakly prime, because it can be changed into another prime (54780637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27390348 + 27390349.

It is an arithmetic number, because the mean of its divisors is an integer number (27390349).

Almost surely, 2^54780697 is an apocalyptic number.

It is an amenable number.

54780697 is a deficient number, since it is larger than the sum of its proper divisors (1).

54780697 is an equidigital number, since it uses as much as digits as its factorization.

54780697 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 423360, while the sum is 46.

The square root of 54780697 is about 7401.3983138323. The cubic root of 54780697 is about 379.7891189119.

The spelling of 54780697 in words is "fifty-four million, seven hundred eighty thousand, six hundred ninety-seven".