51586648 has 16 divisors (see below), whose sum is σ = 97614000. Its totient is φ = 25556256.

The previous prime is 51586643. The next prime is 51586657. The reversal of 51586648 is 84668515.

It is a super-2 number, since 2×51586648² = 5322364503751808, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51586643) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 28708 + ... + 30451.

It is an arithmetic number, because the mean of its divisors is an integer number (6100875).

Almost surely, 2^51586648 is an apocalyptic number.

It is an amenable number.

51586648 is a deficient number, since it is larger than the sum of its proper divisors (46027352).

51586648 is a wasteful number, since it uses less digits than its factorization.

51586648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59274 (or 59270 counting only the distinct ones).

The product of its digits is 230400, while the sum is 43.

The square root of 51586648 is about 7182.3845622467. The cubic root of 51586648 is about 372.2594828899.

The spelling of 51586648 in words is "fifty-one million, five hundred eighty-six thousand, six hundred forty-eight".