65656045 has 16 divisors (see below), whose sum is σ = 96969600. Its totient is φ = 41557824.

The previous prime is 65656037. The next prime is 65656049. The reversal of 65656045 is 54065656.

It is not a de Polignac number, because 65656045 - 2³ = 65656037 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 65655995 and 65656013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65656049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71695 + ... + 72604.

It is an arithmetic number, because the mean of its divisors is an integer number (6060600).

Almost surely, 2^65656045 is an apocalyptic number.

65656045 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

65656045 is a deficient number, since it is larger than the sum of its proper divisors (31313555).

65656045 is a wasteful number, since it uses less digits than its factorization.

65656045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144324.

The product of its (nonzero) digits is 108000, while the sum is 37.

The square root of 65656045 is about 8102.8417854479. The cubic root of 65656045 is about 403.4207564216.

The spelling of 65656045 in words is "sixty-five million, six hundred fifty-six thousand, forty-five".