55368637 has 2 divisors, whose sum is σ = 55368638. Its totient is φ = 55368636.

The previous prime is 55368631. The next prime is 55368647. The reversal of 55368637 is 73686355.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 46090521 + 9278116 = 6789^2 + 3046^2 .

It is a cyclic number.

It is not a de Polignac number, because 55368637 - 2³ = 55368629 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 55368593 and 55368602.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55368631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27684318 + 27684319.

It is an arithmetic number, because the mean of its divisors is an integer number (27684319).

Almost surely, 2^55368637 is an apocalyptic number.

It is an amenable number.

55368637 is a deficient number, since it is larger than the sum of its proper divisors (1).

55368637 is an equidigital number, since it uses as much as digits as its factorization.

55368637 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 453600, while the sum is 43.

The square root of 55368637 is about 7441.0104824547. The cubic root of 55368637 is about 381.1429966840.

The spelling of 55368637 in words is "fifty-five million, three hundred sixty-eight thousand, six hundred thirty-seven".