51456376 has 8 divisors (see below), whose sum is σ = 96480720. Its totient is φ = 25728184.

The previous prime is 51456347. The next prime is 51456403. The reversal of 51456376 is 67365415.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

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 as a sum of consecutive naturals, namely, 3216016 + ... + 3216031.

It is an arithmetic number, because the mean of its divisors is an integer number (12060090).

Almost surely, 2^51456376 is an apocalyptic number.

It is an amenable number.

51456376 is a deficient number, since it is larger than the sum of its proper divisors (45024344).

51456376 is a wasteful number, since it uses less digits than its factorization.

51456376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6432053 (or 6432049 counting only the distinct ones).

The product of its digits is 75600, while the sum is 37.

The square root of 51456376 is about 7173.3099751788. The cubic root of 51456376 is about 371.9458625499.

The spelling of 51456376 in words is "fifty-one million, four hundred fifty-six thousand, three hundred seventy-six".