5500421237 has 2 divisors, whose sum is σ = 5500421238. Its totient is φ = 5500421236.

The previous prime is 5500421219. The next prime is 5500421257. The reversal of 5500421237 is 7321240055.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4283178916 + 1217242321 = 65446^2 + 34889^2 .

It is a cyclic number.

It is not a de Polignac number, because 5500421237 - 2¹⁰ = 5500420213 is a prime.

It is a super-2 number, since 2×5500421237² = 60509267568881220338, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5500421257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2750210618 + 2750210619.

It is an arithmetic number, because the mean of its divisors is an integer number (2750210619).

Almost surely, 2^5500421237 is an apocalyptic number.

It is an amenable number.

5500421237 is a deficient number, since it is larger than the sum of its proper divisors (1).

5500421237 is an equidigital number, since it uses as much as digits as its factorization.

5500421237 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8400, while the sum is 29.

The square root of 5500421237 is about 74164.8247958559. The cubic root of 5500421237 is about 1765.2192305533.

The spelling of 5500421237 in words is "five billion, five hundred million, four hundred twenty-one thousand, two hundred thirty-seven".