551745383 has 8 divisors (see below), whose sum is σ = 634435968. Its totient is φ = 470022264.

The previous prime is 551745373. The next prime is 551745391. The reversal of 551745383 is 383547155.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 551745383 - 2⁸ = 551745127 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 551745383.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551745343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 240641 + ... + 242922.

It is an arithmetic number, because the mean of its divisors is an integer number (79304496).

Almost surely, 2^551745383 is an apocalyptic number.

551745383 is a deficient number, since it is larger than the sum of its proper divisors (82690585).

551745383 is a wasteful number, since it uses less digits than its factorization.

551745383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 483733.

The product of its digits is 252000, while the sum is 41.

The square root of 551745383 is about 23489.2610143444. The cubic root of 551745383 is about 820.1870399232.

The spelling of 551745383 in words is "five hundred fifty-one million, seven hundred forty-five thousand, three hundred eighty-three".