55005500052 has 36 divisors (see below), whose sum is σ = 139740400800. Its totient is φ = 18243027792.

The previous prime is 55005500051. The next prime is 55005500089. The reversal of 55005500052 is 25000550055.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 55005499989 and 55005500025.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55005500051) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 3831858 + ... + 3846185.

It is an arithmetic number, because the mean of its divisors is an integer number (3881677800).

Almost surely, 2^55005500052 is an apocalyptic number.

It is an amenable number.

55005500052 is an abundant number, since it is smaller than the sum of its proper divisors (84734900748).

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

55005500052 is a wasteful number, since it uses less digits than its factorization.

55005500052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7678252 (or 7678247 counting only the distinct ones).

The product of its (nonzero) digits is 6250, while the sum is 27.

The spelling of 55005500052 in words is "fifty-five billion, five million, five hundred thousand, fifty-two".