550006537 has 2 divisors, whose sum is σ = 550006538. Its totient is φ = 550006536.

The previous prime is 550006529. The next prime is 550006571. The reversal of 550006537 is 735600055.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 406869241 + 143137296 = 20171^2 + 11964^2 .

It is a cyclic number.

It is not a de Polignac number, because 550006537 - 2³ = 550006529 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 550006499 and 550006508.

It is not a weakly prime, because it can be changed into another prime (550006577) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275003268 + 275003269.

It is an arithmetic number, because the mean of its divisors is an integer number (275003269).

Almost surely, 2^550006537 is an apocalyptic number.

It is an amenable number.

550006537 is a deficient number, since it is larger than the sum of its proper divisors (1).

550006537 is an equidigital number, since it uses as much as digits as its factorization.

550006537 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 31.

The square root of 550006537 is about 23452.2181680113. The cubic root of 550006537 is about 819.3245165897.

The spelling of 550006537 in words is "five hundred fifty million, six thousand, five hundred thirty-seven".