55606111005511 has 8 divisors (see below), whose sum is σ = 60777199033344. Its totient is φ = 50454354148920.

The previous prime is 55606111005499. The next prime is 55606111005521. The reversal of 55606111005511 is 11550011160655.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 55606111005511 - 2¹³ = 55606110997319 is a prime.

It is a super-2 number, since 2×55606111005511² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55606111005521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4832786791 + ... + 4832798296.

It is an arithmetic number, because the mean of its divisors is an integer number (7597149879168).

Almost surely, 2^{55606111005511} is an apocalyptic number.

55606111005511 is a deficient number, since it is larger than the sum of its proper divisors (5171088027833).

55606111005511 is a wasteful number, since it uses less digits than its factorization.

55606111005511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9665585621.

The product of its (nonzero) digits is 22500, while the sum is 37.

The spelling of 55606111005511 in words is "fifty-five trillion, six hundred six billion, one hundred eleven million, five thousand, five hundred eleven".