55672561678 has 8 divisors (see below), whose sum is σ = 85545643680. Its totient is φ = 27157347120.

The previous prime is 55672561627. The next prime is 55672561799. The reversal of 55672561678 is 87616527655.

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 pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 339466758 + ... + 339466921.

It is an arithmetic number, because the mean of its divisors is an integer number (10693205460).

Almost surely, 2^55672561678 is an apocalyptic number.

55672561678 is a deficient number, since it is larger than the sum of its proper divisors (29873082002).

55672561678 is a wasteful number, since it uses less digits than its factorization.

55672561678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 678933722.

The product of its digits is 21168000, while the sum is 58.

The spelling of 55672561678 in words is "fifty-five billion, six hundred seventy-two million, five hundred sixty-one thousand, six hundred seventy-eight".