56405663354 has 8 divisors (see below), whose sum is σ = 84785132160. Its totient is φ = 28143952636.

The previous prime is 56405663333. The next prime is 56405663357. The reversal of 56405663354 is 45336650465.

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 56405663299 and 56405663308.

It is not an unprimeable number, because it can be changed into a prime (56405663357) 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, 29438324 + ... + 29440239.

It is an arithmetic number, because the mean of its divisors is an integer number (10598141520).

Almost surely, 2^56405663354 is an apocalyptic number.

56405663354 is a deficient number, since it is larger than the sum of its proper divisors (28379468806).

56405663354 is a wasteful number, since it uses less digits than its factorization.

56405663354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58879044.

The product of its (nonzero) digits is 3888000, while the sum is 47.

The spelling of 56405663354 in words is "fifty-six billion, four hundred five million, six hundred sixty-three thousand, three hundred fifty-four".