56745501340 has 24 divisors (see below), whose sum is σ = 129998785392. Its totient is φ = 20634727680.

The previous prime is 56745501331. The next prime is 56745501341. The reversal of 56745501340 is 4310554765.

56745501340 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 56745501293 and 56745501302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56745501341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 128966829 + ... + 128967268.

It is an arithmetic number, because the mean of its divisors is an integer number (5416616058).

Almost surely, 2^56745501340 is an apocalyptic number.

It is an amenable number.

56745501340 is an abundant number, since it is smaller than the sum of its proper divisors (73253284052).

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

56745501340 is a wasteful number, since it uses less digits than its factorization.

56745501340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257934117 (or 257934115 counting only the distinct ones).

The product of its (nonzero) digits is 252000, while the sum is 40.

The spelling of 56745501340 in words is "fifty-six billion, seven hundred forty-five million, five hundred one thousand, three hundred forty".