56545206403 has 8 divisors (see below), whose sum is σ = 64712977920. Its totient is φ = 48399906120.

The previous prime is 56545206397. The next prime is 56545206409. The reversal of 56545206403 is 30460254565.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (56545206397) and next prime (56545206409).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 56545206403 - 2⁵ = 56545206371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56545206409) 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, 5612413 + ... + 5622478.

It is an arithmetic number, because the mean of its divisors is an integer number (8089122240).

Almost surely, 2^56545206403 is an apocalyptic number.

56545206403 is a deficient number, since it is larger than the sum of its proper divisors (8167771517).

56545206403 is a wasteful number, since it uses less digits than its factorization.

56545206403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11235617.

The product of its (nonzero) digits is 432000, while the sum is 40.

The spelling of 56545206403 in words is "fifty-six billion, five hundred forty-five million, two hundred six thousand, four hundred three".