51294327 has 24 divisors (see below), whose sum is σ = 80058096. Its totient is φ = 29127168.

The previous prime is 51294317. The next prime is 51294337. The reversal of 51294327 is 72349215.

It is an interprime number because it is at equal distance from previous prime (51294317) and next prime (51294337).

It is not a de Polignac number, because 51294327 - 2⁶ = 51294263 is a prime.

It is a super-2 number, since 2×51294327² = 5262215964765858, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51294317) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24423 + ... + 26439.

It is an arithmetic number, because the mean of its divisors is an integer number (3335754).

Almost surely, 2^51294327 is an apocalyptic number.

51294327 is a deficient number, since it is larger than the sum of its proper divisors (28763769).

51294327 is a wasteful number, since it uses less digits than its factorization.

51294327 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2207 (or 2200 counting only the distinct ones).

The product of its digits is 15120, while the sum is 33.

The square root of 51294327 is about 7162.0057944685. The cubic root of 51294327 is about 371.5550017680. Note that the first 3 decimals are identical.

The spelling of 51294327 in words is "fifty-one million, two hundred ninety-four thousand, three hundred twenty-seven".