51175393 has 8 divisors (see below), whose sum is σ = 51924096. Its totient is φ = 50430000.

The previous prime is 51175381. The next prime is 51175427. The reversal of 51175393 is 39357115.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51175393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51175363) 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, 61923 + ... + 62743.

It is an arithmetic number, because the mean of its divisors is an integer number (6490512).

Almost surely, 2^51175393 is an apocalyptic number.

It is an amenable number.

51175393 is a deficient number, since it is larger than the sum of its proper divisors (748703).

51175393 is an equidigital number, since it uses as much as digits as its factorization.

51175393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1655.

The product of its digits is 14175, while the sum is 34.

The square root of 51175393 is about 7153.6978549559. The cubic root of 51175393 is about 371.2676098771.

The spelling of 51175393 in words is "fifty-one million, one hundred seventy-five thousand, three hundred ninety-three".