51876768 has 24 divisors (see below), whose sum is σ = 136176768. Its totient is φ = 17292224.

The previous prime is 51876763. The next prime is 51876817. The reversal of 51876768 is 86767815.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (51876761) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 270096 + ... + 270287.

It is an arithmetic number, because the mean of its divisors is an integer number (5674032).

Almost surely, 2^51876768 is an apocalyptic number.

It is an amenable number.

51876768 is an abundant number, since it is smaller than the sum of its proper divisors (84300000).

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

51876768 is a wasteful number, since it uses less digits than its factorization.

51876768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 540396 (or 540388 counting only the distinct ones).

The product of its digits is 564480, while the sum is 48.

The square root of 51876768 is about 7202.5528807500. The cubic root of 51876768 is about 372.9560332185.

The spelling of 51876768 in words is "fifty-one million, eight hundred seventy-six thousand, seven hundred sixty-eight".