551502216 has 32 divisors (see below), whose sum is σ = 1531951200. Its totient is φ = 183834000.

The previous prime is 551502197. The next prime is 551502223. The reversal of 551502216 is 612205155.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 551502216.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1276410 + ... + 1276841.

It is an arithmetic number, because the mean of its divisors is an integer number (47873475).

Almost surely, 2^551502216 is an apocalyptic number.

It is an amenable number.

551502216 is an abundant number, since it is smaller than the sum of its proper divisors (980448984).

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

551502216 is a wasteful number, since it uses less digits than its factorization.

551502216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2553266 (or 2553256 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 27.

The square root of 551502216 is about 23484.0843125722. The cubic root of 551502216 is about 820.0665303941.

The spelling of 551502216 in words is "five hundred fifty-one million, five hundred two thousand, two hundred sixteen".