55488529 has 12 divisors (see below), whose sum is σ = 57746304. Its totient is φ = 53293944.

The previous prime is 55488487. The next prime is 55488547. The reversal of 55488529 is 92588455.

It is not a de Polignac number, because 55488529 - 2¹⁹ = 54964241 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55488229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 210852 + ... + 211114.

It is an arithmetic number, because the mean of its divisors is an integer number (4812192).

Almost surely, 2^55488529 is an apocalyptic number.

It is an amenable number.

55488529 is a deficient number, since it is larger than the sum of its proper divisors (2257775).

55488529 is an equidigital number, since it uses as much as digits as its factorization.

55488529 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 444 (or 377 counting only the distinct ones).

The product of its digits is 576000, while the sum is 46.

The square root of 55488529 is about 7449.0622899799. The cubic root of 55488529 is about 381.4178999251.

The spelling of 55488529 in words is "fifty-five million, four hundred eighty-eight thousand, five hundred twenty-nine".