55888111 has 2 divisors, whose sum is σ = 55888112. Its totient is φ = 55888110.

The previous prime is 55888103. The next prime is 55888121. The reversal of 55888111 is 11188855.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55888111 - 2³ = 55888103 is a prime.

It is a super-2 number, since 2×55888111² = 6246961902296642, which contains 22 as substring.

It is a Chen prime.

It is a zygodrome in base 10.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55888121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27944055 + 27944056.

It is an arithmetic number, because the mean of its divisors is an integer number (27944056).

Almost surely, 2^55888111 is an apocalyptic number.

55888111 is a deficient number, since it is larger than the sum of its proper divisors (1).

55888111 is an equidigital number, since it uses as much as digits as its factorization.

55888111 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12800, while the sum is 37.

The square root of 55888111 is about 7475.8351372940. The cubic root of 55888111 is about 382.3312619536.

The spelling of 55888111 in words is "fifty-five million, eight hundred eighty-eight thousand, one hundred eleven".