65716055 has 4 divisors (see below), whose sum is σ = 78859272. Its totient is φ = 52572840.

The previous prime is 65716043. The next prime is 65716061. The reversal of 65716055 is 55061756.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 65716055 - 2⁴ = 65716039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6571601 + ... + 6571610.

It is an arithmetic number, because the mean of its divisors is an integer number (19714818).

Almost surely, 2^65716055 is an apocalyptic number.

65716055 is a deficient number, since it is larger than the sum of its proper divisors (13143217).

65716055 is a wasteful number, since it uses less digits than its factorization.

65716055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13143216.

The product of its (nonzero) digits is 31500, while the sum is 35.

The square root of 65716055 is about 8106.5439615165. The cubic root of 65716055 is about 403.5436286188.

The spelling of 65716055 in words is "sixty-five million, seven hundred sixteen thousand, fifty-five".