51276896 has 144 divisors (see below), whose sum is σ = 126690480. Its totient is φ = 20275200.

The previous prime is 51276893. The next prime is 51276899. The reversal of 51276896 is 69867215.

It is an interprime number because it is at equal distance from previous prime (51276893) and next prime (51276899).

It is a Harshad number since it is a multiple of its sum of digits (44).

Its product of digits (181440) is a multiple of the sum of its prime divisors (90).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51276893) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 1250636 + ... + 1250676.

It is an arithmetic number, because the mean of its divisors is an integer number (879795).

Almost surely, 2^51276896 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 51276896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63345240).

51276896 is an abundant number, since it is smaller than the sum of its proper divisors (75413584).

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

51276896 is a wasteful number, since it uses less digits than its factorization.

51276896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109 (or 90 counting only the distinct ones).

The product of its digits is 181440, while the sum is 44.

The square root of 51276896 is about 7160.7887833674. The cubic root of 51276896 is about 371.5129093354.

The spelling of 51276896 in words is "fifty-one million, two hundred seventy-six thousand, eight hundred ninety-six".