51714864 has 60 divisors (see below), whose sum is σ = 145544256. Its totient is φ = 17141376.

The previous prime is 51714829. The next prime is 51714877. The reversal of 51714864 is 46841715.

It is a happy number.

51714864 is a `hidden beast` number, since 5 + 171 + 486 + 4 = 666.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

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 11 ways as a sum of consecutive naturals, for example, 27457 + ... + 29279.

Almost surely, 2^51714864 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51714864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72772128).

51714864 is an abundant number, since it is smaller than the sum of its proper divisors (93829392).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51714864 is a wasteful number, since it uses less digits than its factorization.

51714864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2034 (or 2025 counting only the distinct ones).

The product of its digits is 26880, while the sum is 36.

The square root of 51714864 is about 7191.3047494874. The cubic root of 51714864 is about 372.5676384239.

The spelling of 51714864 in words is "fifty-one million, seven hundred fourteen thousand, eight hundred sixty-four".