55614505613 has 2 divisors, whose sum is σ = 55614505614. Its totient is φ = 55614505612.

The previous prime is 55614505571. The next prime is 55614505631. The reversal of 55614505613 is 31650541655.

Together with next prime (55614505631) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28115911684 + 27498593929 = 167678^2 + 165827^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55614505613 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55614505673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27807252806 + 27807252807.

It is an arithmetic number, because the mean of its divisors is an integer number (27807252807).

Almost surely, 2^55614505613 is an apocalyptic number.

It is an amenable number.

55614505613 is a deficient number, since it is larger than the sum of its proper divisors (1).

55614505613 is an equidigital number, since it uses as much as digits as its factorization.

55614505613 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 270000, while the sum is 41.

The spelling of 55614505613 in words is "fifty-five billion, six hundred fourteen million, five hundred five thousand, six hundred thirteen".