56405450233 has 16 divisors (see below), whose sum is σ = 64860350400. Its totient is φ = 48512450880.

The previous prime is 56405450221. The next prime is 56405450327. The reversal of 56405450233 is 33205450465.

It is a cyclic number.

It is not a de Polignac number, because 56405450233 - 2⁹ = 56405449721 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 56405450192 and 56405450201.

It is not an unprimeable number, because it can be changed into a prime (56405450333) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 30898 + ... + 337291.

It is an arithmetic number, because the mean of its divisors is an integer number (4053771900).

Almost surely, 2^56405450233 is an apocalyptic number.

It is an amenable number.

56405450233 is a deficient number, since it is larger than the sum of its proper divisors (8454900167).

56405450233 is a wasteful number, since it uses less digits than its factorization.

56405450233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 368952.

The product of its (nonzero) digits is 216000, while the sum is 37.

The spelling of 56405450233 in words is "fifty-six billion, four hundred five million, four hundred fifty thousand, two hundred thirty-three".