54768487 has 2 divisors, whose sum is σ = 54768488. Its totient is φ = 54768486.

The previous prime is 54768481. The next prime is 54768503. The reversal of 54768487 is 78486745.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 54768487 - 2³ = 54768479 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 54768487.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54768481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27384243 + 27384244.

It is an arithmetic number, because the mean of its divisors is an integer number (27384244).

Almost surely, 2^54768487 is an apocalyptic number.

54768487 is a deficient number, since it is larger than the sum of its proper divisors (1).

54768487 is an equidigital number, since it uses as much as digits as its factorization.

54768487 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1505280, while the sum is 49.

The square root of 54768487 is about 7400.5734237287. The cubic root of 54768487 is about 379.7608999104.

It can be divided in two parts, 54768 and 487, that added together give a palindrome (55255).

The spelling of 54768487 in words is "fifty-four million, seven hundred sixty-eight thousand, four hundred eighty-seven".