55727039 has 4 divisors (see below), whose sum is σ = 55744920. Its totient is φ = 55709160.

The previous prime is 55727033. The next prime is 55727081. The reversal of 55727039 is 93072755.

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 55727039 - 2¹² = 55722943 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55726993 and 55727011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55727033) 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, 2909 + ... + 10950.

It is an arithmetic number, because the mean of its divisors is an integer number (13936230).

Almost surely, 2^55727039 is an apocalyptic number.

55727039 is a deficient number, since it is larger than the sum of its proper divisors (17881).

55727039 is a wasteful number, since it uses less digits than its factorization.

55727039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17880.

The product of its (nonzero) digits is 66150, while the sum is 38.

The square root of 55727039 is about 7465.0545208994. The cubic root of 55727039 is about 381.9636100127.

The spelling of 55727039 in words is "fifty-five million, seven hundred twenty-seven thousand, thirty-nine".