54855983 has 16 divisors (see below), whose sum is σ = 71070720. Its totient is φ = 41116896.

The previous prime is 54855971. The next prime is 54856013. The reversal of 54855983 is 38955845.

It is a cyclic number.

It is not a de Polignac number, because 54855983 - 2⁶ = 54855919 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54855953) 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, 14135 + ... + 17592.

It is an arithmetic number, because the mean of its divisors is an integer number (4441920).

Almost surely, 2^54855983 is an apocalyptic number.

54855983 is a deficient number, since it is larger than the sum of its proper divisors (16214737).

54855983 is a wasteful number, since it uses less digits than its factorization.

54855983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31766.

The product of its digits is 864000, while the sum is 47.

The square root of 54855983 is about 7406.4824984604. The cubic root of 54855983 is about 379.9630227177.

The spelling of 54855983 in words is "fifty-four million, eight hundred fifty-five thousand, nine hundred eighty-three".