51314472 has 160 divisors (see below), whose sum is σ = 164134080. Its totient is φ = 14826240.

The previous prime is 51314453. The next prime is 51314503. The reversal of 51314472 is 27441315.

51314472 is a `hidden beast` number, since 513 + 144 + 7 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 163788 + ... + 164100.

It is an arithmetic number, because the mean of its divisors is an integer number (1025838).

Almost surely, 2^51314472 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 51314472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82067040).

51314472 is an abundant number, since it is smaller than the sum of its proper divisors (112819608).

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

51314472 is a wasteful number, since it uses less digits than its factorization.

51314472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 365 (or 352 counting only the distinct ones).

The product of its digits is 3360, while the sum is 27.

The square root of 51314472 is about 7163.4120361738. The cubic root of 51314472 is about 371.6036360991.

Adding to 51314472 its reverse (27441315), we get a palindrome (78755787).

The spelling of 51314472 in words is "fifty-one million, three hundred fourteen thousand, four hundred seventy-two".