5556171556 has 24 divisors (see below), whose sum is σ = 10714768064. Its totient is φ = 2504748960.

The previous prime is 5556171553. The next prime is 5556171583. The reversal of 5556171556 is 6551716555.

It is a super-2 number, since 2×5556171556² = 61742084719406922272, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5556171553) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1240200 + ... + 1244671.

Almost surely, 2^5556171556 is an apocalyptic number.

It is an amenable number.

5556171556 is a deficient number, since it is larger than the sum of its proper divisors (5158596508).

5556171556 is a wasteful number, since it uses less digits than its factorization.

5556171556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2484931 (or 2484929 counting only the distinct ones).

The product of its digits is 787500, while the sum is 46.

The square root of 5556171556 is about 74539.7313920569. The cubic root of 5556171556 is about 1771.1630727002.

The spelling of 5556171556 in words is "five billion, five hundred fifty-six million, one hundred seventy-one thousand, five hundred fifty-six".