551170896 has 80 divisors (see below), whose sum is σ = 1490487936. Its totient is φ = 175177728.

The previous prime is 551170853. The next prime is 551170909. The reversal of 551170896 is 698071155.

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, 477456 + ... + 478608.

Almost surely, 2^551170896 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 551170896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (745243968).

551170896 is an abundant number, since it is smaller than the sum of its proper divisors (939317040).

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

551170896 is a wasteful number, since it uses less digits than its factorization.

551170896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1620 (or 1614 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 42.

The square root of 551170896 is about 23477.0291135825. The cubic root of 551170896 is about 819.9022766748.

The spelling of 551170896 in words is "five hundred fifty-one million, one hundred seventy thousand, eight hundred ninety-six".