5551171000 has 64 divisors (see below), whose sum is σ = 13291930080. Its totient is φ = 2168812800.

The previous prime is 5551170979. The next prime is 5551171037. The reversal of 5551171000 is 1711555.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21549 + ... + 107548.

Almost surely, 2^5551171000 is an apocalyptic number.

5551171000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

5551171000 is an abundant number, since it is smaller than the sum of its proper divisors (7740759080).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5551171000 is a wasteful number, since it uses less digits than its factorization.

5551171000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129161 (or 129147 counting only the distinct ones).

The product of its (nonzero) digits is 875, while the sum is 25.

The square root of 5551171000 is about 74506.1809516499. The cubic root of 5551171000 is about 1770.6315641239.

Adding to 5551171000 its reverse (1711555), we get a palindrome (5552882555).

The spelling of 5551171000 in words is "five billion, five hundred fifty-one million, one hundred seventy-one thousand".