54859687 has 2 divisors, whose sum is σ = 54859688. Its totient is φ = 54859686.

The previous prime is 54859661. The next prime is 54859699. The reversal of 54859687 is 78695845.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 54859687 - 2¹¹ = 54857639 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54859627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27429843 + 27429844.

It is an arithmetic number, because the mean of its divisors is an integer number (27429844).

Almost surely, 2^54859687 is an apocalyptic number.

54859687 is a deficient number, since it is larger than the sum of its proper divisors (1).

54859687 is an equidigital number, since it uses as much as digits as its factorization.

54859687 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2419200, while the sum is 52.

The square root of 54859687 is about 7406.7325454616. The cubic root of 54859687 is about 379.9715745127.

The spelling of 54859687 in words is "fifty-four million, eight hundred fifty-nine thousand, six hundred eighty-seven".