51319056 has 80 divisors (see below), whose sum is σ = 142812288. Its totient is φ = 15820800.

The previous prime is 51319033. The next prime is 51319087. The reversal of 51319056 is 65091315.

It is a super-2 number, since 2×51319056² = 5267291017462272, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49261 + ... + 50291.

Almost surely, 2^51319056 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51319056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71406144).

51319056 is an abundant number, since it is smaller than the sum of its proper divisors (91493232).

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

51319056 is a wasteful number, since it uses less digits than its factorization.

51319056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1120 (or 1114 counting only the distinct ones).

The product of its (nonzero) digits is 4050, while the sum is 30.

The square root of 51319056 is about 7163.7319882866. The cubic root of 51319056 is about 371.6147010761.

The spelling of 51319056 in words is "fifty-one million, three hundred nineteen thousand, fifty-six".