56554642078 has 16 divisors (see below), whose sum is σ = 92609691120. Its totient is φ = 25688396800.

The previous prime is 56554642031. The next prime is 56554642097. The reversal of 56554642078 is 87024645565.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 881233 + ... + 943228.

It is an arithmetic number, because the mean of its divisors is an integer number (5788105695).

Almost surely, 2^56554642078 is an apocalyptic number.

56554642078 is a deficient number, since it is larger than the sum of its proper divisors (36055049042).

56554642078 is a wasteful number, since it uses less digits than its factorization.

56554642078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1825883.

The product of its (nonzero) digits is 8064000, while the sum is 52.

The spelling of 56554642078 in words is "fifty-six billion, five hundred fifty-four million, six hundred forty-two thousand, seventy-eight".