51293376 has 42 divisors (see below), whose sum is σ = 147024852. Its totient is φ = 17097600.

The previous prime is 51293353. The next prime is 51293383. The reversal of 51293376 is 67339215.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 51293376.

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 5 ways as a sum of consecutive naturals, for example, 43950 + ... + 45101.

Almost surely, 2^51293376 is an apocalyptic number.

It is an amenable number.

51293376 is an abundant number, since it is smaller than the sum of its proper divisors (95731476).

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

51293376 is a wasteful number, since it uses less digits than its factorization.

51293376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89069 (or 89056 counting only the distinct ones).

The product of its digits is 34020, while the sum is 36.

The square root of 51293376 is about 7161.9394021452. The cubic root of 51293376 is about 371.5527055362.

The spelling of 51293376 in words is "fifty-one million, two hundred ninety-three thousand, three hundred seventy-six".