55003565 has 8 divisors (see below), whose sum is σ = 66044160. Its totient is φ = 43976272.

The previous prime is 55003561. The next prime is 55003577. The reversal of 55003565 is 56530055.

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 55003565 - 2² = 55003561 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55003561) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13832 + ... + 17358.

It is an arithmetic number, because the mean of its divisors is an integer number (8255520).

Almost surely, 2^55003565 is an apocalyptic number.

It is an amenable number.

55003565 is a deficient number, since it is larger than the sum of its proper divisors (11040595).

55003565 is a wasteful number, since it uses less digits than its factorization.

55003565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6651.

The product of its (nonzero) digits is 11250, while the sum is 29.

The square root of 55003565 is about 7416.4388354520. The cubic root of 55003565 is about 380.3034625808.

The spelling of 55003565 in words is "fifty-five million, three thousand, five hundred sixty-five".