2055213497 has 4 divisors (see below), whose sum is σ = 2055311076. Its totient is φ = 2055115920.

The previous prime is 2055213491. The next prime is 2055213571. The reversal of 2055213497 is 7943125502.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 542703616 + 1512509881 = 23296^2 + 38891^2 .

It is a cyclic number.

It is not a de Polignac number, because 2055213497 - 2⁴ = 2055213481 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2055213497.

It is not an unprimeable number, because it can be changed into a prime (2055213491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2654 + ... + 64167.

It is an arithmetic number, because the mean of its divisors is an integer number (513827769).

Almost surely, 2^2055213497 is an apocalyptic number.

It is an amenable number.

2055213497 is a deficient number, since it is larger than the sum of its proper divisors (97579).

2055213497 is an equidigital number, since it uses as much as digits as its factorization.

2055213497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97578.

The product of its (nonzero) digits is 75600, while the sum is 38.

The square root of 2055213497 is about 45334.4625753962. The cubic root of 2055213497 is about 1271.4100726960.

Adding to 2055213497 its reverse (7943125502), we get a palindrome (9998338999).

The spelling of 2055213497 in words is "two billion, fifty-five million, two hundred thirteen thousand, four hundred ninety-seven".