55658153816 has 16 divisors (see below), whose sum is σ = 110497805640. Its totient is φ = 26192072320.

The previous prime is 55658153797. The next prime is 55658153839. The reversal of 55658153816 is 61835185655.

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, 204625430 + ... + 204625701.

Almost surely, 2^55658153816 is an apocalyptic number.

It is an amenable number.

55658153816 is a deficient number, since it is larger than the sum of its proper divisors (54839651824).

55658153816 is a wasteful number, since it uses less digits than its factorization.

55658153816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 409251154 (or 409251150 counting only the distinct ones).

The product of its digits is 4320000, while the sum is 53.

The spelling of 55658153816 in words is "fifty-five billion, six hundred fifty-eight million, one hundred fifty-three thousand, eight hundred sixteen".