51496280 has 32 divisors (see below), whose sum is σ = 126401040. Its totient is φ = 18725760.

The previous prime is 51496279. The next prime is 51496351. The reversal of 51496280 is 8269415.

It is a self number, because there is not a number n which added to its sum of digits gives 51496280.

It is a congruent number.

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, 58079 + ... + 58958.

Almost surely, 2^51496280 is an apocalyptic number.

It is an amenable number.

51496280 is an abundant number, since it is smaller than the sum of its proper divisors (74904760).

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

51496280 is a wasteful number, since it uses less digits than its factorization.

51496280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117059 (or 117055 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 51496280 is about 7176.0908578418. The cubic root of 51496280 is about 372.0419847014.

The spelling of 51496280 in words is "fifty-one million, four hundred ninety-six thousand, two hundred eighty".