55577758111 has 8 divisors (see below), whose sum is σ = 55738482624. Its totient is φ = 55417084800.

The previous prime is 55577758109. The next prime is 55577758123. The reversal of 55577758111 is 11185777555.

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 55577758111 - 2¹ = 55577758109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55577756111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3601011 + ... + 3616411.

It is an arithmetic number, because the mean of its divisors is an integer number (6967310328).

Almost surely, 2^55577758111 is an apocalyptic number.

55577758111 is a deficient number, since it is larger than the sum of its proper divisors (160724513).

55577758111 is a wasteful number, since it uses less digits than its factorization.

55577758111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25601.

The product of its digits is 1715000, while the sum is 52.

The spelling of 55577758111 in words is "fifty-five billion, five hundred seventy-seven million, seven hundred fifty-eight thousand, one hundred eleven".