56524551540 has 96 divisors (see below), whose sum is σ = 168505069824. Its totient is φ = 14108129280.

The previous prime is 56524551539. The next prime is 56524551547. The reversal of 56524551540 is 4515542565.

It is a junction number, because it is equal to n+sod(n) for n = 56524551492 and 56524551501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56524551547) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31537 + ... + 337703.

It is an arithmetic number, because the mean of its divisors is an integer number (1755261144).

Almost surely, 2^56524551540 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56524551540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84252534912).

56524551540 is an abundant number, since it is smaller than the sum of its proper divisors (111980518284).

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

56524551540 is a wasteful number, since it uses less digits than its factorization.

56524551540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306377 (or 306375 counting only the distinct ones).

The product of its (nonzero) digits is 600000, while the sum is 42.

The spelling of 56524551540 in words is "fifty-six billion, five hundred twenty-four million, five hundred fifty-one thousand, five hundred forty".