55683727 has 4 divisors (see below), whose sum is σ = 60745896. Its totient is φ = 50621560.

The previous prime is 55683709. The next prime is 55683731. The reversal of 55683727 is 72738655.

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

It is not a de Polignac number, because 55683727 - 2⁷ = 55683599 is a prime.

It is a super-2 number, since 2×55683727² = 6201354905221058, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55683227) 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, 2531068 + ... + 2531089.

It is an arithmetic number, because the mean of its divisors is an integer number (15186474).

Almost surely, 2^55683727 is an apocalyptic number.

55683727 is a deficient number, since it is larger than the sum of its proper divisors (5062169).

55683727 is a wasteful number, since it uses less digits than its factorization.

55683727 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5062168.

The product of its digits is 352800, while the sum is 43.

The square root of 55683727 is about 7462.1529735057. The cubic root of 55683727 is about 381.8646281658.

The spelling of 55683727 in words is "fifty-five million, six hundred eighty-three thousand, seven hundred twenty-seven".