55055001101 has 2 divisors, whose sum is σ = 55055001102. Its totient is φ = 55055001100.

The previous prime is 55055001073. The next prime is 55055001139. The reversal of 55055001101 is 10110055055.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 49062693001 + 5992308100 = 221501^2 + 77410^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55055001101 is a prime.

It is a super-2 number, since 2×55055001101² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55055006101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27527500550 + 27527500551.

It is an arithmetic number, because the mean of its divisors is an integer number (27527500551).

Almost surely, 2^55055001101 is an apocalyptic number.

It is an amenable number.

55055001101 is a deficient number, since it is larger than the sum of its proper divisors (1).

55055001101 is an equidigital number, since it uses as much as digits as its factorization.

55055001101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 625, while the sum is 23.

Adding to 55055001101 its reverse (10110055055), we get a palindrome (65165056156).

The spelling of 55055001101 in words is "fifty-five billion, fifty-five million, one thousand, one hundred one".