55650051607 has 4 divisors (see below), whose sum is σ = 56354482720. Its totient is φ = 54945620496.

The previous prime is 55650051593. The next prime is 55650051617. The reversal of 55650051607 is 70615005655.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55650051607 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 55650051607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55650051617) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 352215438 + ... + 352215595.

It is an arithmetic number, because the mean of its divisors is an integer number (14088620680).

Almost surely, 2^55650051607 is an apocalyptic number.

55650051607 is a deficient number, since it is larger than the sum of its proper divisors (704431113).

55650051607 is an equidigital number, since it uses as much as digits as its factorization.

55650051607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 704431112.

The product of its (nonzero) digits is 157500, while the sum is 40.

The spelling of 55650051607 in words is "fifty-five billion, six hundred fifty million, fifty-one thousand, six hundred seven".