1055445101 has 2 divisors, whose sum is σ = 1055445102. Its totient is φ = 1055445100.

The previous prime is 1055445089. The next prime is 1055445103. The reversal of 1055445101 is 1015445501.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 540609001 + 514836100 = 23251^2 + 22690^2 .

It is a cyclic number.

It is not a de Polignac number, because 1055445101 - 2¹⁸ = 1055182957 is a prime.

It is a super-2 number, since 2×1055445101² = 2227928722449800402, which contains 22 as substring.

Together with 1055445103, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1055445103) 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, 527722550 + 527722551.

It is an arithmetic number, because the mean of its divisors is an integer number (527722551).

Almost surely, 2^1055445101 is an apocalyptic number.

It is an amenable number.

1055445101 is a deficient number, since it is larger than the sum of its proper divisors (1).

1055445101 is an equidigital number, since it uses as much as digits as its factorization.

1055445101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2000, while the sum is 26.

The square root of 1055445101 is about 32487.6145784821. The cubic root of 1055445101 is about 1018.1502747627.

It can be divided in two parts, 10554 and 45101, that added together give a palindrome (55655).

The spelling of 1055445101 in words is "one billion, fifty-five million, four hundred forty-five thousand, one hundred one".