55553308025 has 6 divisors (see below), whose sum is σ = 68886101982. Its totient is φ = 44442646400.

The previous prime is 55553307989. The next prime is 55553308081. The reversal of 55553308025 is 52080335555.

It can be written as a sum of positive squares in 3 ways, for example, as 489869689 + 55063438336 = 22133^2 + 234656^2 .

It is not a de Polignac number, because 55553308025 - 2²⁴ = 55536530809 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1111066136 + ... + 1111066185.

It is an arithmetic number, because the mean of its divisors is an integer number (11481016997).

Almost surely, 2^55553308025 is an apocalyptic number.

It is an amenable number.

55553308025 is a deficient number, since it is larger than the sum of its proper divisors (13332793957).

55553308025 is a wasteful number, since it uses less digits than its factorization.

55553308025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2222132331 (or 2222132326 counting only the distinct ones).

The product of its (nonzero) digits is 450000, while the sum is 41.

The spelling of 55553308025 in words is "fifty-five billion, five hundred fifty-three million, three hundred eight thousand, twenty-five".