51282408 has 32 divisors (see below), whose sum is σ = 129002400. Its totient is φ = 16987968.

The previous prime is 51282397. The next prime is 51282419. The reversal of 51282408 is 80428215.

It is an interprime number because it is at equal distance from previous prime (51282397) and next prime (51282419).

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 in 7 ways as a sum of consecutive naturals, for example, 2643 + ... + 10466.

It is an arithmetic number, because the mean of its divisors is an integer number (4031325).

Almost surely, 2^51282408 is an apocalyptic number.

It is an amenable number.

51282408 is an abundant number, since it is smaller than the sum of its proper divisors (77719992).

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

51282408 is a wasteful number, since it uses less digits than its factorization.

51282408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13281 (or 13277 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 30.

The square root of 51282408 is about 7161.1736468263. The cubic root of 51282408 is about 371.5262207612.

The spelling of 51282408 in words is "fifty-one million, two hundred eighty-two thousand, four hundred eight".