5617971554 has 8 divisors (see below), whose sum is σ = 9075184860. Its totient is φ = 2592909936.

The previous prime is 5617971551. The next prime is 5617971649. The reversal of 5617971554 is 4551797165.

It can be written as a sum of positive squares in 2 ways, for example, as 5613455929 + 4515625 = 74923^2 + 2125^2 .

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

It is not an unprimeable number, because it can be changed into a prime (5617971551) 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, 108037889 + ... + 108037940.

Almost surely, 2^5617971554 is an apocalyptic number.

5617971554 is a deficient number, since it is larger than the sum of its proper divisors (3457213306).

5617971554 is a wasteful number, since it uses less digits than its factorization.

5617971554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216075844.

The product of its digits is 1323000, while the sum is 50.

The square root of 5617971554 is about 74953.1290474254. The cubic root of 5617971554 is about 1777.7056195923.

The spelling of 5617971554 in words is "five billion, six hundred seventeen million, nine hundred seventy-one thousand, five hundred fifty-four".