53647424256 has 72 divisors (see below), whose sum is σ = 145474464240. Its totient is φ = 17545056256.

The previous prime is 53647424221. The next prime is 53647424269. The reversal of 53647424256 is 65242474635.

It is a happy number.

It is a super-2 number, since 2×53647424256² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 618291 + ... + 699698.

It is an arithmetic number, because the mean of its divisors is an integer number (2020478670).

Almost surely, 2^53647424256 is an apocalyptic number.

It is an amenable number.

53647424256 is an abundant number, since it is smaller than the sum of its proper divisors (91827039984).

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

53647424256 is a wasteful number, since it uses less digits than its factorization.

53647424256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1318061 (or 1318047 counting only the distinct ones).

The product of its digits is 4838400, while the sum is 48.

The spelling of 53647424256 in words is "fifty-three billion, six hundred forty-seven million, four hundred twenty-four thousand, two hundred fifty-six".