55506655605 has 32 divisors (see below), whose sum is σ = 89139667968. Its totient is φ = 29494080000.

The previous prime is 55506655571. The next prime is 55506655639. The reversal of 55506655605 is 50655660555.

It is an interprime number because it is at equal distance from previous prime (55506655571) and next prime (55506655639).

It is not a de Polignac number, because 55506655605 - 2⁶ = 55506655541 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4799580 + ... + 4811130.

It is an arithmetic number, because the mean of its divisors is an integer number (2785614624).

Almost surely, 2^55506655605 is an apocalyptic number.

It is an amenable number.

55506655605 is a deficient number, since it is larger than the sum of its proper divisors (33633012363).

55506655605 is a wasteful number, since it uses less digits than its factorization.

55506655605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12717.

The product of its (nonzero) digits is 3375000, while the sum is 48.

The spelling of 55506655605 in words is "fifty-five billion, five hundred six million, six hundred fifty-five thousand, six hundred five".