55356605 has 4 divisors (see below), whose sum is σ = 66427932. Its totient is φ = 44285280.

The previous prime is 55356599. The next prime is 55356617. The reversal of 55356605 is 50665355.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 18645124 + 36711481 = 4318^2 + 6059^2 .

It is not a de Polignac number, because 55356605 - 2⁴ = 55356589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5535656 + ... + 5535665.

It is an arithmetic number, because the mean of its divisors is an integer number (16606983).

Almost surely, 2^55356605 is an apocalyptic number.

It is an amenable number.

55356605 is a deficient number, since it is larger than the sum of its proper divisors (11071327).

55356605 is a wasteful number, since it uses less digits than its factorization.

55356605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11071326.

The product of its (nonzero) digits is 67500, while the sum is 35.

The square root of 55356605 is about 7440.2019461840. The cubic root of 55356605 is about 381.1153863195.

The spelling of 55356605 in words is "fifty-five million, three hundred fifty-six thousand, six hundred five".