55140589 has 8 divisors (see below), whose sum is σ = 63083520. Its totient is φ = 47214096.

The previous prime is 55140583. The next prime is 55140601. The reversal of 55140589 is 98504155.

55140589 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 55140589 - 2³ = 55140581 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 (55140581) 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 7 ways as a sum of consecutive naturals, for example, 4212 + ... + 11314.

It is an arithmetic number, because the mean of its divisors is an integer number (7885440).

Almost surely, 2^55140589 is an apocalyptic number.

It is an amenable number.

55140589 is a deficient number, since it is larger than the sum of its proper divisors (7942931).

55140589 is a wasteful number, since it uses less digits than its factorization.

55140589 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8219.

The product of its (nonzero) digits is 36000, while the sum is 37.

The square root of 55140589 is about 7425.6709461166. The cubic root of 55140589 is about 380.6190026674.

The spelling of 55140589 in words is "fifty-five million, one hundred forty thousand, five hundred eighty-nine".