55601660155 has 16 divisors (see below), whose sum is σ = 69874334784. Its totient is φ = 42393732480.

The previous prime is 55601660119. The next prime is 55601660159. The reversal of 55601660155 is 55106610655.

55601660155 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 55601660155 - 2⁹ = 55601659643 is a prime.

It is a super-2 number, since 2×55601660155² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55601660159) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 840876 + ... + 904585.

It is an arithmetic number, because the mean of its divisors is an integer number (4367145924).

Almost surely, 2^55601660155 is an apocalyptic number.

55601660155 is a deficient number, since it is larger than the sum of its proper divisors (14272674629).

55601660155 is a wasteful number, since it uses less digits than its factorization.

55601660155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1745766.

The product of its (nonzero) digits is 135000, while the sum is 40.

The spelling of 55601660155 in words is "fifty-five billion, six hundred one million, six hundred sixty thousand, one hundred fifty-five".