51780524 has 12 divisors (see below), whose sum is σ = 92152200. Its totient is φ = 25451328.

The previous prime is 51780503. The next prime is 51780527. The reversal of 51780524 is 42508715.

51780524 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (51780527) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 109469 + ... + 109940.

It is an arithmetic number, because the mean of its divisors is an integer number (7679350).

Almost surely, 2^51780524 is an apocalyptic number.

It is an amenable number.

51780524 is a deficient number, since it is larger than the sum of its proper divisors (40371676).

51780524 is a wasteful number, since it uses less digits than its factorization.

51780524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219472 (or 219470 counting only the distinct ones).

The product of its (nonzero) digits is 11200, while the sum is 32.

The square root of 51780524 is about 7195.8685368759. The cubic root of 51780524 is about 372.7252491084.

The spelling of 51780524 in words is "fifty-one million, seven hundred eighty thousand, five hundred twenty-four".