55085008472 has 128 divisors (see below), whose sum is σ = 120958608960. Its totient is φ = 23284039680.

The previous prime is 55085008471. The next prime is 55085008493. The reversal of 55085008472 is 27480058055.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55085008471) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 37910498 + ... + 37911950.

Almost surely, 2^55085008472 is an apocalyptic number.

55085008472 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55085008472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60479304480).

55085008472 is an abundant number, since it is smaller than the sum of its proper divisors (65873600488).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55085008472 is a wasteful number, since it uses less digits than its factorization.

55085008472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2053 (or 2049 counting only the distinct ones).

The product of its (nonzero) digits is 448000, while the sum is 44.

The spelling of 55085008472 in words is "fifty-five billion, eighty-five million, eight thousand, four hundred seventy-two".