55410613 has 2 divisors, whose sum is σ = 55410614. Its totient is φ = 55410612.

The previous prime is 55410587. The next prime is 55410623. The reversal of 55410613 is 31601455.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 49660209 + 5750404 = 7047^2 + 2398^2 .

It is a cyclic number.

It is not a de Polignac number, because 55410613 - 2²¹ = 53313461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55410623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27705306 + 27705307.

It is an arithmetic number, because the mean of its divisors is an integer number (27705307).

Almost surely, 2^55410613 is an apocalyptic number.

It is an amenable number.

55410613 is a deficient number, since it is larger than the sum of its proper divisors (1).

55410613 is an equidigital number, since it uses as much as digits as its factorization.

55410613 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 55410613 is about 7443.8305327298. The cubic root of 55410613 is about 381.2392895674.

The spelling of 55410613 in words is "fifty-five million, four hundred ten thousand, six hundred thirteen".