51711814 has 32 divisors (see below), whose sum is σ = 100051200. Its totient is φ = 19451040.

The previous prime is 51711809. The next prime is 51711817. The reversal of 51711814 is 41811715.

It is a super-2 number, since 2×51711814² = 5348223414341192, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51711817) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1324 + ... + 10255.

It is an arithmetic number, because the mean of its divisors is an integer number (3126600).

Almost surely, 2^51711814 is an apocalyptic number.

51711814 is a deficient number, since it is larger than the sum of its proper divisors (48339386).

51711814 is a wasteful number, since it uses less digits than its factorization.

51711814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11628.

The product of its digits is 1120, while the sum is 28.

The square root of 51711814 is about 7191.0926847038. The cubic root of 51711814 is about 372.5603139428.

Subtracting from 51711814 its reverse (41811715), we obtain a palindrome (9900099).

It can be divided in two parts, 51711 and 814, that added together give a palindrome (52525).

The spelling of 51711814 in words is "fifty-one million, seven hundred eleven thousand, eight hundred fourteen".