55664731446158 has 8 divisors (see below), whose sum is σ = 83979739349928. Its totient is φ = 27671484996184.

The previous prime is 55664731446143. The next prime is 55664731446179. The reversal of 55664731446158 is 85164413746655.

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

It is a junction number, because it is equal to n+sod(n) for n = 55664731446094 and 55664731446103.

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, 80440363016 + ... + 80440363707.

It is an arithmetic number, because the mean of its divisors is an integer number (10497467418741).

Almost surely, 2^{55664731446158} is an apocalyptic number.

55664731446158 is a deficient number, since it is larger than the sum of its proper divisors (28315007903770).

55664731446158 is a wasteful number, since it uses less digits than its factorization.

55664731446158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160880726898.

The product of its digits is 290304000, while the sum is 65.

The spelling of 55664731446158 in words is "fifty-five trillion, six hundred sixty-four billion, seven hundred thirty-one million, four hundred forty-six thousand, one hundred fifty-eight".