55111695 has 16 divisors (see below), whose sum is σ = 89037312. Its totient is φ = 29106720.

The previous prime is 55111649. The next prime is 55111699. The reversal of 55111695 is 59611155.

It is not a de Polignac number, because 55111695 - 2⁶ = 55111631 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55111699) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16291 + ... + 19380.

It is an arithmetic number, because the mean of its divisors is an integer number (5564832).

Almost surely, 2^55111695 is an apocalyptic number.

55111695 is a deficient number, since it is larger than the sum of its proper divisors (33925617).

55111695 is a wasteful number, since it uses less digits than its factorization.

55111695 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35782.

The product of its digits is 6750, while the sum is 33.

The square root of 55111695 is about 7423.7251430801. The cubic root of 55111695 is about 380.5525088368.

It can be divided in two parts, 551 and 11695, that added together give a triangular number (12246 = T₁₅₆).

The spelling of 55111695 in words is "fifty-five million, one hundred eleven thousand, six hundred ninety-five".