55827677 has 4 divisors (see below), whose sum is σ = 59111676. Its totient is φ = 52543680.

The previous prime is 55827617. The next prime is 55827679. The reversal of 55827677 is 77672855.

It is a happy number.

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 24344356 + 31483321 = 4934^2 + 5611^2 .

It is a cyclic number.

It is not a de Polignac number, because 55827677 - 2¹⁸ = 55565533 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 (55827679) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1641974 + ... + 1642007.

It is an arithmetic number, because the mean of its divisors is an integer number (14777919).

Almost surely, 2^55827677 is an apocalyptic number.

It is an amenable number.

55827677 is a deficient number, since it is larger than the sum of its proper divisors (3283999).

55827677 is a wasteful number, since it uses less digits than its factorization.

55827677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3283998.

The product of its digits is 823200, while the sum is 47.

The square root of 55827677 is about 7471.7920875785. The cubic root of 55827677 is about 382.1934023356.

The spelling of 55827677 in words is "fifty-five million, eight hundred twenty-seven thousand, six hundred seventy-seven".