55012637 has 2 divisors, whose sum is σ = 55012638. Its totient is φ = 55012636.

The previous prime is 55012621. The next prime is 55012703. The reversal of 55012637 is 73621055.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 45346756 + 9665881 = 6734^2 + 3109^2 .

It is a cyclic number.

It is not a de Polignac number, because 55012637 - 2⁴ = 55012621 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55012537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27506318 + 27506319.

It is an arithmetic number, because the mean of its divisors is an integer number (27506319).

Almost surely, 2^55012637 is an apocalyptic number.

It is an amenable number.

55012637 is a deficient number, since it is larger than the sum of its proper divisors (1).

55012637 is an equidigital number, since it uses as much as digits as its factorization.

55012637 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6300, while the sum is 29.

The square root of 55012637 is about 7417.0504245286. The cubic root of 55012637 is about 380.3243698519.

The spelling of 55012637 in words is "fifty-five million, twelve thousand, six hundred thirty-seven".