551172016 has 80 divisors (see below), whose sum is σ = 1126936800. Its totient is φ = 260941824.

The previous prime is 551171987. The next prime is 551172031. The reversal of 551172016 is 610271155.

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, 5056570 + ... + 5056678.

It is an arithmetic number, because the mean of its divisors is an integer number (14086710).

Almost surely, 2^551172016 is an apocalyptic number.

It is an amenable number.

551172016 is an abundant number, since it is smaller than the sum of its proper divisors (575764784).

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

551172016 is a wasteful number, since it uses less digits than its factorization.

551172016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326 (or 320 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 28.

The square root of 551172016 is about 23477.0529666736. The cubic root of 551172016 is about 819.9028320318.

The spelling of 551172016 in words is "five hundred fifty-one million, one hundred seventy-two thousand, sixteen".