56521702531344 has 40 divisors (see below), whose sum is σ = 146171572054560. Its totient is φ = 18820287013888.

The previous prime is 56521702531337. The next prime is 56521702531397. The reversal of 56521702531344 is 44313520712565.

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

It is a junction number, because it is equal to n+sod(n) for n = 56521702531293 and 56521702531302.

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 7 ways as a sum of consecutive naturals, for example, 633720462 + ... + 633809645.

It is an arithmetic number, because the mean of its divisors is an integer number (3654289301364).

Almost surely, 2^{56521702531344} is an apocalyptic number.

It is an amenable number.

56521702531344 is an abundant number, since it is smaller than the sum of its proper divisors (89649869523216).

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

56521702531344 is a wasteful number, since it uses less digits than its factorization.

56521702531344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1267531047 (or 1267531041 counting only the distinct ones).

The product of its (nonzero) digits is 3024000, while the sum is 48.

The spelling of 56521702531344 in words is "fifty-six trillion, five hundred twenty-one billion, seven hundred two million, five hundred thirty-one thousand, three hundred forty-four".