56280100073 has 4 divisors (see below), whose sum is σ = 56427045888. Its totient is φ = 56133154260.

The previous prime is 56280100061. The next prime is 56280100081. The reversal of 56280100073 is 37000108265.

It is a happy number.

56280100073 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 56280100073 - 2⁸ = 56280099817 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (56280100003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73472333 + ... + 73473098.

It is an arithmetic number, because the mean of its divisors is an integer number (14106761472).

Almost surely, 2^56280100073 is an apocalyptic number.

It is an amenable number.

56280100073 is a deficient number, since it is larger than the sum of its proper divisors (146945815).

56280100073 is a wasteful number, since it uses less digits than its factorization.

56280100073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146945814.

The product of its (nonzero) digits is 10080, while the sum is 32.

The spelling of 56280100073 in words is "fifty-six billion, two hundred eighty million, one hundred thousand, seventy-three".