55495495845 has 16 divisors (see below), whose sum is σ = 98658659520. Its totient is φ = 29597597712.

The previous prime is 55495495807. The next prime is 55495495877. The reversal of 55495495845 is 54859459455.

55495495845 is a `hidden beast` number, since 5 + 5 + 4 + 9 + 5 + 49 + 584 + 5 = 666.

It is not a de Polignac number, because 55495495845 - 2¹² = 55495491749 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 205538739 + ... + 205539008.

It is an arithmetic number, because the mean of its divisors is an integer number (6166166220).

Almost surely, 2^55495495845 is an apocalyptic number.

It is an amenable number.

55495495845 is a deficient number, since it is larger than the sum of its proper divisors (43163163675).

55495495845 is a wasteful number, since it uses less digits than its factorization.

55495495845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 411077761 (or 411077755 counting only the distinct ones).

The product of its digits is 129600000, while the sum is 63.

The spelling of 55495495845 in words is "fifty-five billion, four hundred ninety-five million, four hundred ninety-five thousand, eight hundred forty-five".