55051637 has 2 divisors, whose sum is σ = 55051638. Its totient is φ = 55051636.

The previous prime is 55051631. The next prime is 55051651. The reversal of 55051637 is 73615055.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27604516 + 27447121 = 5254^2 + 5239^2 .

It is a cyclic number.

It is not a de Polignac number, because 55051637 - 2¹⁶ = 54986101 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55051631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27525818 + 27525819.

It is an arithmetic number, because the mean of its divisors is an integer number (27525819).

Almost surely, 2^55051637 is an apocalyptic number.

It is an amenable number.

55051637 is a deficient number, since it is larger than the sum of its proper divisors (1).

55051637 is an equidigital number, since it uses as much as digits as its factorization.

55051637 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15750, while the sum is 32.

The square root of 55051637 is about 7419.6790361848. The cubic root of 55051637 is about 380.4142228234.

The spelling of 55051637 in words is "fifty-five million, fifty-one thousand, six hundred thirty-seven".