51355327 has 4 divisors (see below), whose sum is σ = 51425560. Its totient is φ = 51285096.

The previous prime is 51355319. The next prime is 51355331. The reversal of 51355327 is 72355315.

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 51355327 - 2³ = 51355319 is a prime.

It is a super-2 number, since 2×51355327² = 5274739222553858, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51355307) 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, 34008 + ... + 35485.

It is an arithmetic number, because the mean of its divisors is an integer number (12856390).

Almost surely, 2^51355327 is an apocalyptic number.

51355327 is a deficient number, since it is larger than the sum of its proper divisors (70233).

51355327 is an equidigital number, since it uses as much as digits as its factorization.

51355327 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70232.

The product of its digits is 15750, while the sum is 31.

The square root of 51355327 is about 7166.2631126690. The cubic root of 51355327 is about 371.7022297228.

The spelling of 51355327 in words is "fifty-one million, three hundred fifty-five thousand, three hundred twenty-seven".