51175423 has 8 divisors (see below), whose sum is σ = 58354128. Its totient is φ = 44459904.

The previous prime is 51175381. The next prime is 51175427. The reversal of 51175423 is 32457115.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 51175423 - 2¹³ = 51167231 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 51175391 and 51175400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51175427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115561 + ... + 116002.

It is an arithmetic number, because the mean of its divisors is an integer number (7294266).

Almost surely, 2^51175423 is an apocalyptic number.

51175423 is a deficient number, since it is larger than the sum of its proper divisors (7178705).

51175423 is a wasteful number, since it uses less digits than its factorization.

51175423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231593.

The product of its digits is 4200, while the sum is 28.

The square root of 51175423 is about 7153.6999517732. The cubic root of 51175423 is about 371.2676824252.

The spelling of 51175423 in words is "fifty-one million, one hundred seventy-five thousand, four hundred twenty-three".