55650662565 has 32 divisors (see below), whose sum is σ = 91219497600. Its totient is φ = 28955840256.

The previous prime is 55650662519. The next prime is 55650662569. The reversal of 55650662565 is 56526605655.

55650662565 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 55650662565 - 2²³ = 55642273957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55650662569) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 499611 + ... + 600759.

It is an arithmetic number, because the mean of its divisors is an integer number (2850609300).

Almost surely, 2^55650662565 is an apocalyptic number.

It is an amenable number.

55650662565 is a deficient number, since it is larger than the sum of its proper divisors (35568835035).

55650662565 is a wasteful number, since it uses less digits than its factorization.

55650662565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102053.

The product of its (nonzero) digits is 8100000, while the sum is 51.

The spelling of 55650662565 in words is "fifty-five billion, six hundred fifty million, six hundred sixty-two thousand, five hundred sixty-five".