550055747522 has 18 divisors (see below), whose sum is σ = 845764562937. Its totient is φ = 268298899600.

The previous prime is 550055747513. The next prime is 550055747537. The reversal of 550055747522 is 225747550055.

It can be written as a sum of positive squares in 2 ways, for example, as 392826844081 + 157228903441 = 626759^2 + 396521^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=524431.

It is a super-2 number, since 2×550055747522² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 42996947 + ... + 43009737.

Almost surely, 2^550055747522 is an apocalyptic number.

550055747522 is a deficient number, since it is larger than the sum of its proper divisors (295708815415).

550055747522 is an frugal number, since it uses more digits than its factorization.

550055747522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25666 (or 12834 counting only the distinct ones).

The product of its (nonzero) digits is 2450000, while the sum is 47.

The spelling of 550055747522 in words is "five hundred fifty billion, fifty-five million, seven hundred forty-seven thousand, five hundred twenty-two".