551860027 has 4 divisors (see below), whose sum is σ = 551955600. Its totient is φ = 551764456.

The previous prime is 551860007. The next prime is 551860031. The reversal of 551860027 is 720068155.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 551860027 - 2¹¹ = 551857979 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 551859974 and 551860001.

It is not an unprimeable number, because it can be changed into a prime (551860007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38527 + ... + 50872.

It is an arithmetic number, because the mean of its divisors is an integer number (137988900).

Almost surely, 2^551860027 is an apocalyptic number.

551860027 is a deficient number, since it is larger than the sum of its proper divisors (95573).

551860027 is an equidigital number, since it uses as much as digits as its factorization.

551860027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95572.

The product of its (nonzero) digits is 16800, while the sum is 34.

The square root of 551860027 is about 23491.7012368198. The cubic root of 551860027 is about 820.2438433051.

The spelling of 551860027 in words is "five hundred fifty-one million, eight hundred sixty thousand, twenty-seven".