55358487 has 24 divisors (see below), whose sum is σ = 83105568. Its totient is φ = 35481600.

The previous prime is 55358453. The next prime is 55358497. The reversal of 55358487 is 78485355.

55358487 is a `hidden beast` number, since 553 + 58 + 48 + 7 = 666.

55358487 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 55358487 - 2¹¹ = 55356439 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55358497) 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 23 ways as a sum of consecutive naturals, for example, 25143 + ... + 27255.

It is an arithmetic number, because the mean of its divisors is an integer number (3462732).

Almost surely, 2^55358487 is an apocalyptic number.

55358487 is a deficient number, since it is larger than the sum of its proper divisors (27747081).

55358487 is a wasteful number, since it uses less digits than its factorization.

55358487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2231 (or 2228 counting only the distinct ones).

The product of its digits is 672000, while the sum is 45.

The square root of 55358487 is about 7440.3284201707. The cubic root of 55358487 is about 381.1197052924.

The spelling of 55358487 in words is "fifty-five million, three hundred fifty-eight thousand, four hundred eighty-seven".