51711934 has 4 divisors (see below), whose sum is σ = 77567904. Its totient is φ = 25855966.

The previous prime is 51711931. The next prime is 51711953. The reversal of 51711934 is 43911715.

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

It is a junction number, because it is equal to n+sod(n) for n = 51711896 and 51711905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51711931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12927982 + ... + 12927985.

It is an arithmetic number, because the mean of its divisors is an integer number (19391976).

Almost surely, 2^51711934 is an apocalyptic number.

51711934 is a deficient number, since it is larger than the sum of its proper divisors (25855970).

51711934 is a wasteful number, since it uses less digits than its factorization.

51711934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25855969.

The product of its digits is 3780, while the sum is 31.

The square root of 51711934 is about 7191.1010283544. The cubic root of 51711934 is about 372.5606021245.

The spelling of 51711934 in words is "fifty-one million, seven hundred eleven thousand, nine hundred thirty-four".