55079152813 has 2 divisors, whose sum is σ = 55079152814. Its totient is φ = 55079152812.

The previous prime is 55079152789. The next prime is 55079152823. The reversal of 55079152813 is 31825197055.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38479922569 + 16599230244 = 196163^2 + 128838^2 .

It is a cyclic number.

It is not a de Polignac number, because 55079152813 - 2⁵ = 55079152781 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55079152823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27539576406 + 27539576407.

It is an arithmetic number, because the mean of its divisors is an integer number (27539576407).

Almost surely, 2^55079152813 is an apocalyptic number.

It is an amenable number.

55079152813 is a deficient number, since it is larger than the sum of its proper divisors (1).

55079152813 is an equidigital number, since it uses as much as digits as its factorization.

55079152813 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 378000, while the sum is 46.

The spelling of 55079152813 in words is "fifty-five billion, seventy-nine million, one hundred fifty-two thousand, eight hundred thirteen".