51451282 has 8 divisors (see below), whose sum is σ = 81716796. Its totient is φ = 24212352.

The previous prime is 51451277. The next prime is 51451303. The reversal of 51451282 is 28215415.

It can be written as a sum of positive squares in 2 ways, for example, as 40947201 + 10504081 = 6399^2 + 3241^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 51451282.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 756603 + ... + 756670.

Almost surely, 2^51451282 is an apocalyptic number.

51451282 is a deficient number, since it is larger than the sum of its proper divisors (30265514).

51451282 is a wasteful number, since it uses less digits than its factorization.

51451282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1513292.

The product of its digits is 3200, while the sum is 28.

The square root of 51451282 is about 7172.9549001789. The cubic root of 51451282 is about 371.9335883680.

Adding to 51451282 its reverse (28215415), we get a palindrome (79666697).

The spelling of 51451282 in words is "fifty-one million, four hundred fifty-one thousand, two hundred eighty-two".