551506612 has 12 divisors (see below), whose sum is σ = 980958916. Its totient is φ = 271232640.

The previous prime is 551506609. The next prime is 551506633. The reversal of 551506612 is 216605155.

551506612 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 176464656 + 375041956 = 13284^2 + 19366^2 .

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1129893 + ... + 1130380.

Almost surely, 2^551506612 is an apocalyptic number.

It is an amenable number.

551506612 is a deficient number, since it is larger than the sum of its proper divisors (429452304).

551506612 is a wasteful number, since it uses less digits than its factorization.

551506612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2260338 (or 2260336 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 31.

The square root of 551506612 is about 23484.1779076893. The cubic root of 551506612 is about 820.0687092931.

The spelling of 551506612 in words is "five hundred fifty-one million, five hundred six thousand, six hundred twelve".