51472000 has 64 divisors (see below), whose sum is σ = 128012040. Its totient is φ = 20582400.

The previous prime is 51471967. The next prime is 51472019. The reversal of 51472000 is 27415.

It can be written as a sum of positive squares in 4 ways, for example, as 26790976 + 24681024 = 5176^2 + 4968^2 .

It is a tau number, because it is divible by the number of its divisors (64).

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, 14392 + ... + 17608.

Almost surely, 2^51472000 is an apocalyptic number.

51472000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51472000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64006020).

51472000 is an abundant number, since it is smaller than the sum of its proper divisors (76540040).

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

51472000 is an equidigital number, since it uses as much as digits as its factorization.

51472000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3246 (or 3224 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 19.

The square root of 51472000 is about 7174.3989295271. The cubic root of 51472000 is about 371.9835041053.

Adding to 51472000 its reverse (27415), we get a palindrome (51499415).

The spelling of 51472000 in words is "fifty-one million, four hundred seventy-two thousand".