55615451655 has 64 divisors (see below), whose sum is σ = 94821552000. Its totient is φ = 27782092800.

The previous prime is 55615451651. The next prime is 55615451681.

55615451655 is nontrivially palindromic in base 10.

55615451655 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 55615451655 - 2² = 55615451651 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55615451651) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5612205 + ... + 5622105.

It is an arithmetic number, because the mean of its divisors is an integer number (1481586750).

Almost surely, 2^55615451655 is an apocalyptic number.

55615451655 is a deficient number, since it is larger than the sum of its proper divisors (39206100345).

55615451655 is a wasteful number, since it uses less digits than its factorization.

55615451655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10324.

The product of its digits is 2250000, while the sum is 48.

The spelling of 55615451655 in words is "fifty-five billion, six hundred fifteen million, four hundred fifty-one thousand, six hundred fifty-five".