55727827 has 4 divisors (see below), whose sum is σ = 58150800. Its totient is φ = 53304856.

The previous prime is 55727807. The next prime is 55727851. The reversal of 55727827 is 72872755.

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 55727827 - 2²³ = 47339219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55727807) 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, 1211452 + ... + 1211497.

It is an arithmetic number, because the mean of its divisors is an integer number (14537700).

Almost surely, 2^55727827 is an apocalyptic number.

55727827 is a deficient number, since it is larger than the sum of its proper divisors (2422973).

55727827 is a wasteful number, since it uses less digits than its factorization.

55727827 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2422972.

The product of its digits is 274400, while the sum is 43.

The square root of 55727827 is about 7465.1072999656. The cubic root of 55727827 is about 381.9654103710.

The spelling of 55727827 in words is "fifty-five million, seven hundred twenty-seven thousand, eight hundred twenty-seven".