5550637394 has 8 divisors (see below), whose sum is σ = 8815718268. Its totient is φ = 2612064640.

The previous prime is 5550637303. The next prime is 5550637397. The reversal of 5550637394 is 4937360555.

It can be written as a sum of positive squares in 2 ways, for example, as 5243932225 + 306705169 = 72415^2 + 17513^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×5550637394² = 61619150959342222472, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5550637397) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81626987 + ... + 81627054.

Almost surely, 2^5550637394 is an apocalyptic number.

5550637394 is a deficient number, since it is larger than the sum of its proper divisors (3265080874).

5550637394 is a wasteful number, since it uses less digits than its factorization.

5550637394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163254060.

The product of its (nonzero) digits is 1701000, while the sum is 47.

The square root of 5550637394 is about 74502.5999143654. The cubic root of 5550637394 is about 1770.5748283528.

The spelling of 5550637394 in words is "five billion, five hundred fifty million, six hundred thirty-seven thousand, three hundred ninety-four".