55541605 has 16 divisors (see below), whose sum is σ = 76406400. Its totient is φ = 37968192.

The previous prime is 55541599. The next prime is 55541623. The reversal of 55541605 is 50614555.

It is a cyclic number.

It is not a de Polignac number, because 55541605 - 2¹⁵ = 55508837 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9942 + ... + 14488.

It is an arithmetic number, because the mean of its divisors is an integer number (4775400).

Almost surely, 2^55541605 is an apocalyptic number.

It is an amenable number.

55541605 is a deficient number, since it is larger than the sum of its proper divisors (20864795).

55541605 is a wasteful number, since it uses less digits than its factorization.

55541605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4908.

The product of its (nonzero) digits is 15000, while the sum is 31.

The square root of 55541605 is about 7452.6240345264. The cubic root of 55541605 is about 381.5394727114.

The spelling of 55541605 in words is "fifty-five million, five hundred forty-one thousand, six hundred five".