551075623 has 8 divisors (see below), whose sum is σ = 650117120. Its totient is φ = 457113240.

The previous prime is 551075617. The next prime is 551075633. The reversal of 551075623 is 326570155.

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 551075623 - 2²⁹ = 14204711 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551075633) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1269543 + ... + 1269976.

It is an arithmetic number, because the mean of its divisors is an integer number (81264640).

Almost surely, 2^551075623 is an apocalyptic number.

551075623 is a deficient number, since it is larger than the sum of its proper divisors (99041497).

551075623 is a wasteful number, since it uses less digits than its factorization.

551075623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2539557.

The product of its (nonzero) digits is 31500, while the sum is 34.

The square root of 551075623 is about 23474.9999574015. Note that the first 4 decimals coincide. The cubic root of 551075623 is about 819.8550323739.

The spelling of 551075623 in words is "five hundred fifty-one million, seventy-five thousand, six hundred twenty-three".