55493176693 has 16 divisors (see below), whose sum is σ = 58392633600. Its totient is φ = 52667092800.

The previous prime is 55493176649. The next prime is 55493176727. The reversal of 55493176693 is 39667139455.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 55493176693 - 2⁹ = 55493176181 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55493176393) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 338980 + ... + 475282.

It is an arithmetic number, because the mean of its divisors is an integer number (3649539600).

Almost surely, 2^55493176693 is an apocalyptic number.

It is an amenable number.

55493176693 is a deficient number, since it is larger than the sum of its proper divisors (2899456907).

55493176693 is a wasteful number, since it uses less digits than its factorization.

55493176693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136572.

The product of its digits is 18370800, while the sum is 58.

The spelling of 55493176693 in words is "fifty-five billion, four hundred ninety-three million, one hundred seventy-six thousand, six hundred ninety-three".