55103692513 has 2 divisors, whose sum is σ = 55103692514. Its totient is φ = 55103692512.

The previous prime is 55103692489. The next prime is 55103692549. The reversal of 55103692513 is 31529630155.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35956882129 + 19146810384 = 189623^2 + 138372^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55103692513 is a prime.

It is not a weakly prime, because it can be changed into another prime (55103696513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27551846256 + 27551846257.

It is an arithmetic number, because the mean of its divisors is an integer number (27551846257).

Almost surely, 2^55103692513 is an apocalyptic number.

It is an amenable number.

55103692513 is a deficient number, since it is larger than the sum of its proper divisors (1).

55103692513 is an equidigital number, since it uses as much as digits as its factorization.

55103692513 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 121500, while the sum is 40.

The spelling of 55103692513 in words is "fifty-five billion, one hundred three million, six hundred ninety-two thousand, five hundred thirteen".