65255899 has 16 divisors (see below), whose sum is σ = 74004480. Its totient is φ = 57214080.

The previous prime is 65255893. The next prime is 65255921. The reversal of 65255899 is 99855256.

It is a cyclic number.

It is not a de Polignac number, because 65255899 - 2¹⁷ = 65124827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65255893) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11139 + ... + 15955.

It is an arithmetic number, because the mean of its divisors is an integer number (4625280).

Almost surely, 2^65255899 is an apocalyptic number.

65255899 is a deficient number, since it is larger than the sum of its proper divisors (8748581).

65255899 is a wasteful number, since it uses less digits than its factorization.

65255899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4890.

The product of its digits is 972000, while the sum is 49.

The square root of 65255899 is about 8078.1123413827. The cubic root of 65255899 is about 402.5995258172.

The spelling of 65255899 in words is "sixty-five million, two hundred fifty-five thousand, eight hundred ninety-nine".