55487529 has 12 divisors (see below), whose sum is σ = 80510976. Its totient is φ = 36824472.

The previous prime is 55487513. The next prime is 55487533. The reversal of 55487529 is 92578455.

55487529 is a `hidden beast` number, since 554 + 8 + 75 + 29 = 666.

55487529 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 55487529 - 2⁴ = 55487513 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55487129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11817 + ... + 15830.

It is an arithmetic number, because the mean of its divisors is an integer number (6709248).

Almost surely, 2^55487529 is an apocalyptic number.

It is an amenable number.

55487529 is a deficient number, since it is larger than the sum of its proper divisors (25023447).

55487529 is a wasteful number, since it uses less digits than its factorization.

55487529 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27876 (or 27873 counting only the distinct ones).

The product of its digits is 504000, while the sum is 45.

The square root of 55487529 is about 7448.9951671350. The cubic root of 55487529 is about 381.4156086396.

The spelling of 55487529 in words is "fifty-five million, four hundred eighty-seven thousand, five hundred twenty-nine".