51671434 has 8 divisors (see below), whose sum is σ = 77727780. Its totient is φ = 25762176.

The previous prime is 51671419. The next prime is 51671441. The reversal of 51671434 is 43417615.

It can be written as a sum of positive squares in 2 ways, for example, as 47651409 + 4020025 = 6903^2 + 2005^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 51671396 and 51671405.

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, 35889 + ... + 37300.

Almost surely, 2^51671434 is an apocalyptic number.

51671434 is a deficient number, since it is larger than the sum of its proper divisors (26056346).

51671434 is a wasteful number, since it uses less digits than its factorization.

51671434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73544.

The product of its digits is 10080, while the sum is 31.

The square root of 51671434 is about 7188.2844963176. The cubic root of 51671434 is about 372.4633154571.

The spelling of 51671434 in words is "fifty-one million, six hundred seventy-one thousand, four hundred thirty-four".