54097787 has 2 divisors, whose sum is σ = 54097788. Its totient is φ = 54097786.

The previous prime is 54097777. The next prime is 54097801. The reversal of 54097787 is 78779045.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 54097787 - 2¹² = 54093691 is a prime.

It is not a weakly prime, because it can be changed into another prime (54097717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27048893 + 27048894.

It is an arithmetic number, because the mean of its divisors is an integer number (27048894).

Almost surely, 2^54097787 is an apocalyptic number.

54097787 is a deficient number, since it is larger than the sum of its proper divisors (1).

54097787 is an equidigital number, since it uses as much as digits as its factorization.

54097787 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 493920, while the sum is 47.

The square root of 54097787 is about 7355.1197814855. The cubic root of 54097787 is about 378.2043327567.

The spelling of 54097787 in words is "fifty-four million, ninety-seven thousand, seven hundred eighty-seven".