55533552 has 20 divisors (see below), whose sum is σ = 143461800. Its totient is φ = 18511168.

The previous prime is 55533547. The next prime is 55533563. The reversal of 55533552 is 25533555.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 578427 + ... + 578522.

It is an arithmetic number, because the mean of its divisors is an integer number (7173090).

Almost surely, 2^55533552 is an apocalyptic number.

It is an amenable number.

55533552 is an abundant number, since it is smaller than the sum of its proper divisors (87928248).

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

55533552 is a wasteful number, since it uses less digits than its factorization.

55533552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1156960 (or 1156954 counting only the distinct ones).

The product of its digits is 56250, while the sum is 33.

The square root of 55533552 is about 7452.0837354394. The cubic root of 55533552 is about 381.5210319655.

The spelling of 55533552 in words is "fifty-five million, five hundred thirty-three thousand, five hundred fifty-two".