55836685 has 4 divisors (see below), whose sum is σ = 67004028. Its totient is φ = 44669344.

The previous prime is 55836659. The next prime is 55836689. The reversal of 55836685 is 58663855.

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 28494244 + 27342441 = 5338^2 + 5229^2 .

It is a cyclic number.

It is not a de Polignac number, because 55836685 - 2¹⁷ = 55705613 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 (55836689) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5583664 + ... + 5583673.

It is an arithmetic number, because the mean of its divisors is an integer number (16751007).

Almost surely, 2^55836685 is an apocalyptic number.

It is an amenable number.

55836685 is a deficient number, since it is larger than the sum of its proper divisors (11167343).

55836685 is a wasteful number, since it uses less digits than its factorization.

55836685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11167342.

The product of its digits is 864000, while the sum is 46.

The square root of 55836685 is about 7472.3948637636. The cubic root of 55836685 is about 382.2139573315.

The spelling of 55836685 in words is "fifty-five million, eight hundred thirty-six thousand, six hundred eighty-five".