55368629 has 2 divisors, whose sum is σ = 55368630. Its totient is φ = 55368628.

The previous prime is 55368617. The next prime is 55368631. The reversal of 55368629 is 92686355.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 41899729 + 13468900 = 6473^2 + 3670^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55368629 is a prime.

Together with 55368631, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55368629.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55368029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27684314 + 27684315.

It is an arithmetic number, because the mean of its divisors is an integer number (27684315).

Almost surely, 2^55368629 is an apocalyptic number.

It is an amenable number.

55368629 is a deficient number, since it is larger than the sum of its proper divisors (1).

55368629 is an equidigital number, since it uses as much as digits as its factorization.

55368629 is an evil number, because the sum of its binary digits is even.

The product of its digits is 388800, while the sum is 44.

The square root of 55368629 is about 7441.0099448932. The cubic root of 55368629 is about 381.1429783274.

The spelling of 55368629 in words is "fifty-five million, three hundred sixty-eight thousand, six hundred twenty-nine".