65551755 has 16 divisors (see below), whose sum is σ = 105127200. Its totient is φ = 34879488.

The previous prime is 65551741. The next prime is 65551777. The reversal of 65551755 is 55715556.

It is not a de Polignac number, because 65551755 - 2⁵ = 65551723 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1869 + ... + 11601.

It is an arithmetic number, because the mean of its divisors is an integer number (6570450).

Almost surely, 2^65551755 is an apocalyptic number.

65551755 is a deficient number, since it is larger than the sum of its proper divisors (39575445).

65551755 is a wasteful number, since it uses less digits than its factorization.

65551755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10190.

The product of its digits is 131250, while the sum is 39.

The square root of 65551755 is about 8096.4038313315. The cubic root of 65551755 is about 403.2070414118.

The spelling of 65551755 in words is "sixty-five million, five hundred fifty-one thousand, seven hundred fifty-five".