55525255525525 has 6 divisors (see below), whose sum is σ = 68851316851682. Its totient is φ = 44420204420400.

The previous prime is 55525255525489. The next prime is 55525255525543. The reversal of 55525255525525 is 52552555252555.

It can be written as a sum of positive squares in 3 ways, for example, as 307367121649 + 55217888403876 = 554407^2 + 7430874^2 .

It is not a de Polignac number, because 55525255525525 - 2¹⁵ = 55525255492757 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 55525255525525.

It is a congruent 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, 1110505110486 + ... + 1110505110535.

Almost surely, 2^{55525255525525} is an apocalyptic number.

It is an amenable number.

55525255525525 is a deficient number, since it is larger than the sum of its proper divisors (13326061326157).

55525255525525 is a wasteful number, since it uses less digits than its factorization.

55525255525525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2221010221031 (or 2221010221026 counting only the distinct ones).

The product of its digits is 156250000, while the sum is 58.

The spelling of 55525255525525 in words is "fifty-five trillion, five hundred twenty-five billion, two hundred fifty-five million, five hundred twenty-five thousand, five hundred twenty-five".