55345351605 has 32 divisors (see below), whose sum is σ = 92718210816. Its totient is φ = 28137736704.

The previous prime is 55345351603. The next prime is 55345351619. The reversal of 55345351605 is 50615354355.

It is not a de Polignac number, because 55345351605 - 2¹ = 55345351603 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55345351603) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 172672 + ... + 374841.

It is an arithmetic number, because the mean of its divisors is an integer number (2897444088).

Almost surely, 2^55345351605 is an apocalyptic number.

It is an amenable number.

55345351605 is a deficient number, since it is larger than the sum of its proper divisors (37372859211).

55345351605 is a wasteful number, since it uses less digits than its factorization.

55345351605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 547837.

The product of its (nonzero) digits is 675000, while the sum is 42.

The spelling of 55345351605 in words is "fifty-five billion, three hundred forty-five million, three hundred fifty-one thousand, six hundred five".