56554863278 has 8 divisors (see below), whose sum is σ = 85785467040. Its totient is φ = 27959707600.

The previous prime is 56554863257. The next prime is 56554863283. The reversal of 56554863278 is 87236845565.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 158861798 + ... + 158862153.

It is an arithmetic number, because the mean of its divisors is an integer number (10723183380).

Almost surely, 2^56554863278 is an apocalyptic number.

56554863278 is a deficient number, since it is larger than the sum of its proper divisors (29230603762).

56554863278 is a wasteful number, since it uses less digits than its factorization.

56554863278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317724042.

The product of its digits is 48384000, while the sum is 59.

It can be divided in two parts, 565548 and 63278, that added together give a palindrome (628826).

The spelling of 56554863278 in words is "fifty-six billion, five hundred fifty-four million, eight hundred sixty-three thousand, two hundred seventy-eight".