65055575 has 12 divisors (see below), whose sum is σ = 86874648. Its totient is φ = 48040800.

The previous prime is 65055559. The next prime is 65055587. The reversal of 65055575 is 57555056.

It is not a de Polignac number, because 65055575 - 2⁴ = 65055559 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 99761 + ... + 100410.

It is an arithmetic number, because the mean of its divisors is an integer number (7239554).

Almost surely, 2^65055575 is an apocalyptic number.

65055575 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

65055575 is a deficient number, since it is larger than the sum of its proper divisors (21819073).

65055575 is a wasteful number, since it uses less digits than its factorization.

65055575 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200194 (or 200189 counting only the distinct ones).

The product of its (nonzero) digits is 131250, while the sum is 38.

The square root of 65055575 is about 8065.7036270867. The cubic root of 65055575 is about 402.1871339002.

The spelling of 65055575 in words is "sixty-five million, fifty-five thousand, five hundred seventy-five".