55457827 has 8 divisors (see below), whose sum is σ = 58449600. Its totient is φ = 52473384.

The previous prime is 55457821. The next prime is 55457849. The reversal of 55457827 is 72875455.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 55457827 - 2¹¹ = 55455779 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55457821) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21324 + ... + 23782.

It is an arithmetic number, because the mean of its divisors is an integer number (7306200).

Almost surely, 2^55457827 is an apocalyptic number.

55457827 is a deficient number, since it is larger than the sum of its proper divisors (2991773).

55457827 is a wasteful number, since it uses less digits than its factorization.

55457827 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3665.

The product of its digits is 392000, while the sum is 43.

The square root of 55457827 is about 7447.0012085403. The cubic root of 55457827 is about 381.3475403210.

The spelling of 55457827 in words is "fifty-five million, four hundred fifty-seven thousand, eight hundred twenty-seven".