51580396 has 24 divisors (see below), whose sum is σ = 104912640. Its totient is φ = 21730512.

The previous prime is 51580387. The next prime is 51580409. The reversal of 51580396 is 69308515.

51580396 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13960 + ... + 17263.

It is an arithmetic number, because the mean of its divisors is an integer number (4371360).

Almost surely, 2^51580396 is an apocalyptic number.

It is an amenable number.

51580396 is an abundant number, since it is smaller than the sum of its proper divisors (53332244).

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

51580396 is a wasteful number, since it uses less digits than its factorization.

51580396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31293 (or 31291 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 37.

The square root of 51580396 is about 7181.9493175600. The cubic root of 51580396 is about 372.2444437250.

The spelling of 51580396 in words is "fifty-one million, five hundred eighty thousand, three hundred ninety-six".