55403005152 has 96 divisors (see below), whose sum is σ = 158896805760. Its totient is φ = 16763102720.

The previous prime is 55403005123. The next prime is 55403005157. The reversal of 55403005152 is 25150030455.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55403005157) 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, 656098 + ... + 735710.

It is an arithmetic number, because the mean of its divisors is an integer number (1655175060).

Almost surely, 2^55403005152 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 55403005152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79448402880).

55403005152 is an abundant number, since it is smaller than the sum of its proper divisors (103493800608).

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

55403005152 is a wasteful number, since it uses less digits than its factorization.

55403005152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80296 (or 80288 counting only the distinct ones).

The product of its (nonzero) digits is 15000, while the sum is 30.

The spelling of 55403005152 in words is "fifty-five billion, four hundred three million, five thousand, one hundred fifty-two".