54385587 has 28 divisors (see below), whose sum is σ = 82945584. Its totient is φ = 35633520.

The previous prime is 54385561. The next prime is 54385609. The reversal of 54385587 is 78558345.

It is not a de Polignac number, because 54385587 - 2⁷ = 54385459 is a prime.

It is not an unprimeable number, because it can be changed into a prime (54385517) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 43858 + ... + 45080.

Almost surely, 2^54385587 is an apocalyptic number.

54385587 is a deficient number, since it is larger than the sum of its proper divisors (28559997).

54385587 is an equidigital number, since it uses as much as digits as its factorization.

54385587 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1302 (or 1287 counting only the distinct ones).

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

The square root of 54385587 is about 7374.6584327683. The cubic root of 54385587 is about 378.8738287395.

It can be divided in two parts, 5438 and 5587, that added together give a square (11025 = 105²).

The spelling of 54385587 in words is "fifty-four million, three hundred eighty-five thousand, five hundred eighty-seven".