55055701 has 2 divisors, whose sum is σ = 55055702. Its totient is φ = 55055700.

The previous prime is 55055699. The next prime is 55055713. The reversal of 55055701 is 10755055.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 54774801 + 280900 = 7401^2 + 530^2 .

It is a cyclic number.

It is not a de Polignac number, because 55055701 - 2¹ = 55055699 is a prime.

It is a super-2 number, since 2×55055701² = 6062260425202802, which contains 22 as substring.

Together with 55055699, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55055701.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55055731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27527850 + 27527851.

It is an arithmetic number, because the mean of its divisors is an integer number (27527851).

Almost surely, 2^55055701 is an apocalyptic number.

It is an amenable number.

55055701 is a deficient number, since it is larger than the sum of its proper divisors (1).

55055701 is an equidigital number, since it uses as much as digits as its factorization.

55055701 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4375, while the sum is 28.

The square root of 55055701 is about 7419.9528974246. The cubic root of 55055701 is about 380.4235835221.

The spelling of 55055701 in words is "fifty-five million, fifty-five thousand, seven hundred one".