55899101 has 2 divisors, whose sum is σ = 55899102. Its totient is φ = 55899100.

The previous prime is 55899091. The next prime is 55899127. The reversal of 55899101 is 10199855.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38875225 + 17023876 = 6235^2 + 4126^2 .

It is a cyclic number.

It is not a de Polignac number, because 55899101 - 2¹⁰ = 55898077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55899161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27949550 + 27949551.

It is an arithmetic number, because the mean of its divisors is an integer number (27949551).

Almost surely, 2^55899101 is an apocalyptic number.

It is an amenable number.

55899101 is a deficient number, since it is larger than the sum of its proper divisors (1).

55899101 is an equidigital number, since it uses as much as digits as its factorization.

55899101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16200, while the sum is 38.

The square root of 55899101 is about 7476.5701360985. The cubic root of 55899101 is about 382.3563212199.

The spelling of 55899101 in words is "fifty-five million, eight hundred ninety-nine thousand, one hundred one".