56554471238 has 8 divisors (see below), whose sum is σ = 84960047280. Its totient is φ = 28234455480.

The previous prime is 56554471231. The next prime is 56554471241. The reversal of 56554471238 is 83217445565.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56554471231) 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, 21388418 + ... + 21391061.

It is an arithmetic number, because the mean of its divisors is an integer number (10620005910).

Almost surely, 2^56554471238 is an apocalyptic number.

56554471238 is a deficient number, since it is larger than the sum of its proper divisors (28405576042).

56554471238 is a wasteful number, since it uses less digits than its factorization.

56554471238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42780142.

The product of its digits is 4032000, while the sum is 50.

The spelling of 56554471238 in words is "fifty-six billion, five hundred fifty-four million, four hundred seventy-one thousand, two hundred thirty-eight".