54451783 has 4 divisors (see below), whose sum is σ = 54659088. Its totient is φ = 54244480.

The previous prime is 54451729. The next prime is 54451811. The reversal of 54451783 is 38715445.

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 54451783 - 2¹³ = 54443591 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54451483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103258 + ... + 103783.

It is an arithmetic number, because the mean of its divisors is an integer number (13664772).

Almost surely, 2^54451783 is an apocalyptic number.

54451783 is a deficient number, since it is larger than the sum of its proper divisors (207305).

54451783 is a wasteful number, since it uses less digits than its factorization.

54451783 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207304.

The product of its digits is 67200, while the sum is 37.

The square root of 54451783 is about 7379.1451401907. The cubic root of 54451783 is about 379.0274831958.

The spelling of 54451783 in words is "fifty-four million, four hundred fifty-one thousand, seven hundred eighty-three".