55038585 has 32 divisors (see below), whose sum is σ = 101041920. Its totient is φ = 25060608.

The previous prime is 55038559. The next prime is 55038587. The reversal of 55038585 is 58583055.

It is not a de Polignac number, because 55038585 - 2⁶ = 55038521 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55038587) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29871 + ... + 31659.

It is an arithmetic number, because the mean of its divisors is an integer number (3157560).

Almost surely, 2^55038585 is an apocalyptic number.

It is an amenable number.

55038585 is a deficient number, since it is larger than the sum of its proper divisors (46003335).

55038585 is a wasteful number, since it uses less digits than its factorization.

55038585 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2097.

The product of its (nonzero) digits is 120000, while the sum is 39.

The square root of 55038585 is about 7418.7994311748. The cubic root of 55038585 is about 380.3841567548.

The spelling of 55038585 in words is "fifty-five million, thirty-eight thousand, five hundred eighty-five".