55204355425 has 24 divisors (see below), whose sum is σ = 72574267896. Its totient is φ = 41511613440.

The previous prime is 55204355377. The next prime is 55204355483. The reversal of 55204355425 is 52455340255.

It can be written as a sum of positive squares in 12 ways, for example, as 12260911441 + 42943443984 = 110729^2 + 207228^2 .

It is not a de Polignac number, because 55204355425 - 2⁹ = 55204354913 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 244507 + ... + 412543.

It is an arithmetic number, because the mean of its divisors is an integer number (3023927829).

Almost surely, 2^55204355425 is an apocalyptic number.

It is an amenable number.

55204355425 is a deficient number, since it is larger than the sum of its proper divisors (17369912471).

55204355425 is a wasteful number, since it uses less digits than its factorization.

55204355425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168837 (or 168832 counting only the distinct ones).

The product of its (nonzero) digits is 600000, while the sum is 40.

The spelling of 55204355425 in words is "fifty-five billion, two hundred four million, three hundred fifty-five thousand, four hundred twenty-five".