55700111 has 2 divisors, whose sum is σ = 55700112. Its totient is φ = 55700110.

The previous prime is 55700107. The next prime is 55700119. The reversal of 55700111 is 11100755.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55700111 - 2² = 55700107 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55700119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27850055 + 27850056.

It is an arithmetic number, because the mean of its divisors is an integer number (27850056).

Almost surely, 2^55700111 is an apocalyptic number.

55700111 is a deficient number, since it is larger than the sum of its proper divisors (1).

55700111 is an equidigital number, since it uses as much as digits as its factorization.

55700111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 175, while the sum is 20.

The square root of 55700111 is about 7463.2506992597. The cubic root of 55700111 is about 381.9020769077.

Adding to 55700111 its reverse (11100755), we get a palindrome (66800866).

The spelling of 55700111 in words is "fifty-five million, seven hundred thousand, one hundred eleven".