551053252 has 6 divisors (see below), whose sum is σ = 964343198. Its totient is φ = 275526624.

The previous prime is 551053211. The next prime is 551053253. The reversal of 551053252 is 252350155.

It can be written as a sum of positive squares in only one way, i.e., 472801536 + 78251716 = 21744^2 + 8846^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 551053252.

It is not an unprimeable number, because it can be changed into a prime (551053253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68881653 + ... + 68881660.

Almost surely, 2^551053252 is an apocalyptic number.

It is an amenable number.

551053252 is a deficient number, since it is larger than the sum of its proper divisors (413289946).

551053252 is a wasteful number, since it uses less digits than its factorization.

551053252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137763317 (or 137763315 counting only the distinct ones).

The product of its (nonzero) digits is 7500, while the sum is 28.

The square root of 551053252 is about 23474.5234669418. The cubic root of 551053252 is about 819.8439381766.

The spelling of 551053252 in words is "five hundred fifty-one million, fifty-three thousand, two hundred fifty-two".