55085902637 has 2 divisors, whose sum is σ = 55085902638. Its totient is φ = 55085902636.

The previous prime is 55085902633. The next prime is 55085902657. The reversal of 55085902637 is 73620958055.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 54224245321 + 861657316 = 232861^2 + 29354^2 .

It is a cyclic number.

It is not a de Polignac number, because 55085902637 - 2² = 55085902633 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55085902633) 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, 27542951318 + 27542951319.

It is an arithmetic number, because the mean of its divisors is an integer number (27542951319).

Almost surely, 2^55085902637 is an apocalyptic number.

It is an amenable number.

55085902637 is a deficient number, since it is larger than the sum of its proper divisors (1).

55085902637 is an equidigital number, since it uses as much as digits as its factorization.

55085902637 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2268000, while the sum is 50.

The spelling of 55085902637 in words is "fifty-five billion, eighty-five million, nine hundred two thousand, six hundred thirty-seven".