5506143938 has 8 divisors (see below), whose sum is σ = 8334988860. Its totient is φ = 2727814320.

The previous prime is 5506143919. The next prime is 5506143943. The reversal of 5506143938 is 8393416055.

It can be written as a sum of positive squares in 2 ways, for example, as 5316888889 + 189255049 = 72917^2 + 13757^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12628553 + ... + 12628988.

Almost surely, 2^5506143938 is an apocalyptic number.

5506143938 is a deficient number, since it is larger than the sum of its proper divisors (2828844922).

5506143938 is a wasteful number, since it uses less digits than its factorization.

5506143938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25257652.

The product of its (nonzero) digits is 388800, while the sum is 44.

The square root of 5506143938 is about 74203.3957309233. The cubic root of 5506143938 is about 1765.8312031092.

The spelling of 5506143938 in words is "five billion, five hundred six million, one hundred forty-three thousand, nine hundred thirty-eight".