55525563 has 6 divisors (see below), whose sum is σ = 80203604. Its totient is φ = 37017036.

The previous prime is 55525541. The next prime is 55525571. The reversal of 55525563 is 36552555.

55525563 is a `hidden beast` number, since 55 + 52 + 556 + 3 = 666.

It is not a de Polignac number, because 55525563 - 2⁶ = 55525499 is a prime.

It is a super-3 number, since 3×55525563³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55525523) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3084745 + ... + 3084762.

Almost surely, 2^55525563 is an apocalyptic number.

55525563 is a deficient number, since it is larger than the sum of its proper divisors (24678041).

55525563 is a wasteful number, since it uses less digits than its factorization.

55525563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6169513 (or 6169510 counting only the distinct ones).

The product of its digits is 112500, while the sum is 36.

The square root of 55525563 is about 7451.5476915873. The cubic root of 55525563 is about 381.5027360129.

The spelling of 55525563 in words is "fifty-five million, five hundred twenty-five thousand, five hundred sixty-three".