55816595 has 4 divisors (see below), whose sum is σ = 66979920. Its totient is φ = 44653272.

The previous prime is 55816583. The next prime is 55816597. The reversal of 55816595 is 59561855.

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

It is a cyclic number.

It is not a de Polignac number, because 55816595 - 2⁸ = 55816339 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55816597) 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, 5581655 + ... + 5581664.

It is an arithmetic number, because the mean of its divisors is an integer number (16744980).

Almost surely, 2^55816595 is an apocalyptic number.

55816595 is a deficient number, since it is larger than the sum of its proper divisors (11163325).

55816595 is a wasteful number, since it uses less digits than its factorization.

55816595 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11163324.

The product of its digits is 270000, while the sum is 44.

The square root of 55816595 is about 7471.0504616152. The cubic root of 55816595 is about 382.1681117283.

The spelling of 55816595 in words is "fifty-five million, eight hundred sixteen thousand, five hundred ninety-five".