55002613 has 2 divisors, whose sum is σ = 55002614. Its totient is φ = 55002612.

The previous prime is 55002611. The next prime is 55002617. The reversal of 55002613 is 31620055.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 49885969 + 5116644 = 7063^2 + 2262^2 .

It is a cyclic number.

It is not a de Polignac number, because 55002613 - 2¹ = 55002611 is a prime.

Together with 55002611, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55002611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27501306 + 27501307.

It is an arithmetic number, because the mean of its divisors is an integer number (27501307).

Almost surely, 2^55002613 is an apocalyptic number.

It is an amenable number.

55002613 is a deficient number, since it is larger than the sum of its proper divisors (1).

55002613 is an equidigital number, since it uses as much as digits as its factorization.

55002613 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 55002613 is about 7416.3746534274. The cubic root of 55002613 is about 380.3012684746.

Adding to 55002613 its reverse (31620055), we get a palindrome (86622668).

The spelling of 55002613 in words is "fifty-five million, two thousand, six hundred thirteen".