56541223405 has 16 divisors (see below), whose sum is σ = 68665665600. Its totient is φ = 44689645440.

The previous prime is 56541223363. The next prime is 56541223421. The reversal of 56541223405 is 50432214565.

It is not a de Polignac number, because 56541223405 - 2⁹ = 56541222893 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 525286 + ... + 623704.

It is an arithmetic number, because the mean of its divisors is an integer number (4291604100).

Almost surely, 2^56541223405 is an apocalyptic number.

It is an amenable number.

56541223405 is a deficient number, since it is larger than the sum of its proper divisors (12124442195).

56541223405 is a wasteful number, since it uses less digits than its factorization.

56541223405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99804.

The product of its (nonzero) digits is 144000, while the sum is 37.

The spelling of 56541223405 in words is "fifty-six billion, five hundred forty-one million, two hundred twenty-three thousand, four hundred five".