51332347 has 8 divisors (see below), whose sum is σ = 56125440. Its totient is φ = 46560360.

The previous prime is 51332339. The next prime is 51332353. The reversal of 51332347 is 74323315.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 51332347 - 2³ = 51332339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51332377) 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, 54 + ... + 10132.

It is an arithmetic number, because the mean of its divisors is an integer number (7015680).

Almost surely, 2^51332347 is an apocalyptic number.

51332347 is a deficient number, since it is larger than the sum of its proper divisors (4793093).

51332347 is a wasteful number, since it uses less digits than its factorization.

51332347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10553.

The product of its digits is 7560, while the sum is 28.

The square root of 51332347 is about 7164.6595871681. The cubic root of 51332347 is about 371.6467795088.

The spelling of 51332347 in words is "fifty-one million, three hundred thirty-two thousand, three hundred forty-seven".