51175345 has 16 divisors (see below), whose sum is σ = 69011712. Its totient is φ = 36146880.

The previous prime is 51175297. The next prime is 51175363. The reversal of 51175345 is 54357115.

It is not a de Polignac number, because 51175345 - 2⁷ = 51175217 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15621 + ... + 18610.

It is an arithmetic number, because the mean of its divisors is an integer number (4313232).

Almost surely, 2^51175345 is an apocalyptic number.

It is an amenable number.

51175345 is a deficient number, since it is larger than the sum of its proper divisors (17836367).

51175345 is a wasteful number, since it uses less digits than its factorization.

51175345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34272.

The product of its digits is 10500, while the sum is 31.

The square root of 51175345 is about 7153.6945000468. The cubic root of 51175345 is about 371.2674938002.

The spelling of 51175345 in words is "fifty-one million, one hundred seventy-five thousand, three hundred forty-five".