551125772 has 12 divisors (see below), whose sum is σ = 987994056. Its totient is φ = 268841760.

The previous prime is 551125769. The next prime is 551125787. The reversal of 551125772 is 277521155.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1680098 + ... + 1680425.

It is an arithmetic number, because the mean of its divisors is an integer number (82332838).

Almost surely, 2^551125772 is an apocalyptic number.

It is an amenable number.

551125772 is a deficient number, since it is larger than the sum of its proper divisors (436868284).

551125772 is a wasteful number, since it uses less digits than its factorization.

551125772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3360568 (or 3360566 counting only the distinct ones).

The product of its digits is 24500, while the sum is 35.

The square root of 551125772 is about 23476.0680694191. The cubic root of 551125772 is about 819.8799011101.

The spelling of 551125772 in words is "five hundred fifty-one million, one hundred twenty-five thousand, seven hundred seventy-two".