54497687 has 2 divisors, whose sum is σ = 54497688. Its totient is φ = 54497686.

The previous prime is 54497647. The next prime is 54497743. The reversal of 54497687 is 78679445.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 54497687 - 2⁶ = 54497623 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54497647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27248843 + 27248844.

It is an arithmetic number, because the mean of its divisors is an integer number (27248844).

Almost surely, 2^54497687 is an apocalyptic number.

54497687 is a deficient number, since it is larger than the sum of its proper divisors (1).

54497687 is an equidigital number, since it uses as much as digits as its factorization.

54497687 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1693440, while the sum is 50.

The square root of 54497687 is about 7382.2548723273. The cubic root of 54497687 is about 379.1339626639.

The spelling of 54497687 in words is "fifty-four million, four hundred ninety-seven thousand, six hundred eighty-seven".