55110550605 has 48 divisors (see below), whose sum is σ = 101522320704. Its totient is φ = 25313909760.

The previous prime is 55110550601. The next prime is 55110550613. The reversal of 55110550605 is 50605501155.

It is not a de Polignac number, because 55110550605 - 2² = 55110550601 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55110550601) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 403044 + ... + 522173.

It is an arithmetic number, because the mean of its divisors is an integer number (2115048348).

Almost surely, 2^55110550605 is an apocalyptic number.

55110550605 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

55110550605 is a deficient number, since it is larger than the sum of its proper divisors (46411770099).

55110550605 is a wasteful number, since it uses less digits than its factorization.

55110550605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 925274 (or 925255 counting only the distinct ones).

The product of its (nonzero) digits is 18750, while the sum is 33.

It can be divided in two parts, 55110550 and 605, that added together give a palindrome (55111155).

The spelling of 55110550605 in words is "fifty-five billion, one hundred ten million, five hundred fifty thousand, six hundred five".