54486787 has 2 divisors, whose sum is σ = 54486788. Its totient is φ = 54486786.

The previous prime is 54486781. The next prime is 54486791. The reversal of 54486787 is 78768445.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 54486787 - 2⁷ = 54486659 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 54486787.

It is not a weakly prime, because it can be changed into another prime (54486781) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27243393 + 27243394.

It is an arithmetic number, because the mean of its divisors is an integer number (27243394).

Almost surely, 2^54486787 is an apocalyptic number.

54486787 is a deficient number, since it is larger than the sum of its proper divisors (1).

54486787 is an equidigital number, since it uses as much as digits as its factorization.

54486787 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 54486787 is about 7381.5165785901. The cubic root of 54486787 is about 379.1086843082.

The spelling of 54486787 in words is "fifty-four million, four hundred eighty-six thousand, seven hundred eighty-seven".