55510549845 has 16 divisors (see below), whose sum is σ = 90492671232. Its totient is φ = 29047029440.

The previous prime is 55510549813. The next prime is 55510549849. The reversal of 55510549845 is 54894501555.

It is not a de Polignac number, because 55510549845 - 2⁵ = 55510549813 is a prime.

It is a super-2 number, since 2×55510549845² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55510549849) 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, 34911501 + ... + 34913090.

It is an arithmetic number, because the mean of its divisors is an integer number (5655791952).

Almost surely, 2^55510549845 is an apocalyptic number.

It is an amenable number.

55510549845 is a deficient number, since it is larger than the sum of its proper divisors (34982121387).

55510549845 is a wasteful number, since it uses less digits than its factorization.

55510549845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69824652.

The product of its (nonzero) digits is 3600000, while the sum is 51.

The spelling of 55510549845 in words is "fifty-five billion, five hundred ten million, five hundred forty-nine thousand, eight hundred forty-five".