51794005 has 4 divisors (see below), whose sum is σ = 62152812. Its totient is φ = 41435200.

The previous prime is 51793993. The next prime is 51794021. The reversal of 51794005 is 50049715.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 20277009 + 31516996 = 4503^2 + 5614^2 .

It is a de Polignac number, because none of the positive numbers 2^k-51794005 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5179396 + ... + 5179405.

It is an arithmetic number, because the mean of its divisors is an integer number (15538203).

Almost surely, 2^51794005 is an apocalyptic number.

It is an amenable number.

51794005 is a deficient number, since it is larger than the sum of its proper divisors (10358807).

51794005 is a wasteful number, since it uses less digits than its factorization.

51794005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10358806.

The product of its (nonzero) digits is 6300, while the sum is 31.

The square root of 51794005 is about 7196.8051939732. The cubic root of 51794005 is about 372.7575924987.

It can be divided in two parts, 5 and 1794005, that multiplied together give a square (8970025 = 2995²).

The spelling of 51794005 in words is "fifty-one million, seven hundred ninety-four thousand, five".