55844857 has 16 divisors (see below), whose sum is σ = 61747200. Its totient is φ = 50299920.

The previous prime is 55844843. The next prime is 55844861. The reversal of 55844857 is 75844855.

It is a cyclic number.

It is not a de Polignac number, because 55844857 - 2¹⁵ = 55812089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55844827) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33948 + ... + 35554.

It is an arithmetic number, because the mean of its divisors is an integer number (3859200).

Almost surely, 2^55844857 is an apocalyptic number.

It is an amenable number.

55844857 is a deficient number, since it is larger than the sum of its proper divisors (5902343).

55844857 is a wasteful number, since it uses less digits than its factorization.

55844857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1716.

The product of its digits is 896000, while the sum is 46.

The square root of 55844857 is about 7472.9416564028. The cubic root of 55844857 is about 382.2326027799.

The spelling of 55844857 in words is "fifty-five million, eight hundred forty-four thousand, eight hundred fifty-seven".