55603030655 has 4 divisors (see below), whose sum is σ = 66723636792. Its totient is φ = 44482424520.

The previous prime is 55603030597. The next prime is 55603030669.

It is a happy number.

55603030655 is nontrivially palindromic in base 10.

55603030655 is digitally balanced in base 11, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 55603030655 - 2⁶ = 55603030591 is a prime.

It is a Duffinian number.

55603030655 is strictly pandigital in base 11.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5560303061 + ... + 5560303070.

It is an arithmetic number, because the mean of its divisors is an integer number (16680909198).

Almost surely, 2^55603030655 is an apocalyptic number.

55603030655 is a deficient number, since it is larger than the sum of its proper divisors (11120606137).

55603030655 is a wasteful number, since it uses less digits than its factorization.

55603030655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11120606136.

The product of its (nonzero) digits is 202500, while the sum is 38.

It can be divided in two parts, 556030 and 30655, that added together give a palindrome (586685).

The spelling of 55603030655 in words is "fifty-five billion, six hundred three million, thirty thousand, six hundred fifty-five".