51655048862 has 64 divisors (see below), whose sum is σ = 84383907840. Its totient is φ = 23626636800.

The previous prime is 51655048853. The next prime is 51655048889. The reversal of 51655048862 is 26884055615.

It is a self number, because there is not a number n which added to its sum of digits gives 51655048862.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 54893312 + ... + 54894252.

It is an arithmetic number, because the mean of its divisors is an integer number (1318498560).

Almost surely, 2^51655048862 is an apocalyptic number.

51655048862 is a deficient number, since it is larger than the sum of its proper divisors (32728858978).

51655048862 is a wasteful number, since it uses less digits than its factorization.

51655048862 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1337.

The product of its (nonzero) digits is 2304000, while the sum is 50.

The spelling of 51655048862 in words is "fifty-one billion, six hundred fifty-five million, forty-eight thousand, eight hundred sixty-two".