551745375 has 16 divisors (see below), whose sum is σ = 918104928. Its totient is φ = 294264000.

The previous prime is 551745373. The next prime is 551745391. The reversal of 551745375 is 573547155.

It is not a de Polignac number, because 551745375 - 2¹ = 551745373 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551745371) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 735286 + ... + 736035.

It is an arithmetic number, because the mean of its divisors is an integer number (57381558).

Almost surely, 2^551745375 is an apocalyptic number.

551745375 is a deficient number, since it is larger than the sum of its proper divisors (366359553).

551745375 is a wasteful number, since it uses less digits than its factorization.

551745375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1471339 (or 1471329 counting only the distinct ones).

The product of its digits is 367500, while the sum is 42.

The square root of 551745375 is about 23489.2608440538. The cubic root of 551745375 is about 820.1870359591.

The spelling of 551745375 in words is "five hundred fifty-one million, seven hundred forty-five thousand, three hundred seventy-five".