51054368 has 48 divisors (see below), whose sum is σ = 106777440. Its totient is φ = 23961600.

The previous prime is 51054347. The next prime is 51054397. The reversal of 51054368 is 86345015.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79328 + ... + 79968.

It is an arithmetic number, because the mean of its divisors is an integer number (2224530).

Almost surely, 2^51054368 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 51054368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53388720).

51054368 is an abundant number, since it is smaller than the sum of its proper divisors (55723072).

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

51054368 is a wasteful number, since it uses less digits than its factorization.

51054368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 801 (or 793 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 51054368 is about 7145.2339359884. The cubic root of 51054368 is about 370.9747078463.

The spelling of 51054368 in words is "fifty-one million, fifty-four thousand, three hundred sixty-eight".