51653649548 has 12 divisors (see below), whose sum is σ = 90396458880. Its totient is φ = 25826089872.

The previous prime is 51653649461. The next prime is 51653649611. The reversal of 51653649548 is 84594635615.

It is a hoax number, since the sum of its digits (56) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 51653649493 and 51653649502.

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 3 ways as a sum of consecutive naturals, for example, 6611 + ... + 321482.

It is an arithmetic number, because the mean of its divisors is an integer number (7533038240).

Almost surely, 2^51653649548 is an apocalyptic number.

It is an amenable number.

51653649548 is a deficient number, since it is larger than the sum of its proper divisors (38742809332).

51653649548 is a wasteful number, since it uses less digits than its factorization.

51653649548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367456 (or 367454 counting only the distinct ones).

The product of its digits is 15552000, while the sum is 56.

The spelling of 51653649548 in words is "fifty-one billion, six hundred fifty-three million, six hundred forty-nine thousand, five hundred forty-eight".