55000003136 has 56 divisors (see below), whose sum is σ = 117960876600. Its totient is φ = 25292869632.

The previous prime is 55000003129. The next prime is 55000003141. The reversal of 55000003136 is 63130000055.

It can be written as a sum of positive squares in 4 ways, for example, as 3858894400 + 51141108736 = 62120^2 + 226144^2 .

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, 111140 + ... + 349788.

It is an arithmetic number, because the mean of its divisors is an integer number (2106444225).

Almost surely, 2^55000003136 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55000003136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58980438300).

55000003136 is an abundant number, since it is smaller than the sum of its proper divisors (62960873464).

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

55000003136 is a wasteful number, since it uses less digits than its factorization.

55000003136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238951 (or 238941 counting only the distinct ones).

The product of its (nonzero) digits is 1350, while the sum is 23.

The spelling of 55000003136 in words is "fifty-five billion, three thousand, one hundred thirty-six".