55395560845 has 8 divisors (see below), whose sum is σ = 66476217600. Its totient is φ = 44315418960.

The previous prime is 55395560813. The next prime is 55395560893. The reversal of 55395560845 is 54806559355.

It is a happy number.

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

It is not a de Polignac number, because 55395560845 - 2⁵ = 55395560813 is a prime.

It is a super-2 number, since 2×55395560845² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 171756 + ... + 374554.

It is an arithmetic number, because the mean of its divisors is an integer number (8309527200).

Almost surely, 2^55395560845 is an apocalyptic number.

It is an amenable number.

55395560845 is a deficient number, since it is larger than the sum of its proper divisors (11080656755).

55395560845 is a wasteful number, since it uses less digits than its factorization.

55395560845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257435.

The product of its (nonzero) digits is 16200000, while the sum is 55.

The spelling of 55395560845 in words is "fifty-five billion, three hundred ninety-five million, five hundred sixty thousand, eight hundred forty-five".