550051637 has 2 divisors, whose sum is σ = 550051638. Its totient is φ = 550051636.

The previous prime is 550051633. The next prime is 550051639. The reversal of 550051637 is 736150055.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 534950641 + 15100996 = 23129^2 + 3886^2 .

It is a cyclic number.

It is not a de Polignac number, because 550051637 - 2² = 550051633 is a prime.

Together with 550051639, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (550051633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275025818 + 275025819.

It is an arithmetic number, because the mean of its divisors is an integer number (275025819).

Almost surely, 2^550051637 is an apocalyptic number.

It is an amenable number.

550051637 is a deficient number, since it is larger than the sum of its proper divisors (1).

550051637 is an equidigital number, since it uses as much as digits as its factorization.

550051637 is an evil number, because the sum of its binary digits is even.

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

The square root of 550051637 is about 23453.1796778177. The cubic root of 550051637 is about 819.3469105816.

The spelling of 550051637 in words is "five hundred fifty million, fifty-one thousand, six hundred thirty-seven".