54649783 has 4 divisors (see below), whose sum is σ = 54665968. Its totient is φ = 54633600.

The previous prime is 54649759. The next prime is 54649799. The reversal of 54649783 is 38794645.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 38794645 = 5 ⋅7758929.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54649783 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 (54649583) 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, 891 + ... + 10492.

It is an arithmetic number, because the mean of its divisors is an integer number (13666492).

Almost surely, 2^54649783 is an apocalyptic number.

54649783 is a deficient number, since it is larger than the sum of its proper divisors (16185).

54649783 is a wasteful number, since it uses less digits than its factorization.

54649783 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16184.

The product of its digits is 725760, while the sum is 46.

The square root of 54649783 is about 7392.5491543851. The cubic root of 54649783 is about 379.4863396815.

The spelling of 54649783 in words is "fifty-four million, six hundred forty-nine thousand, seven hundred eighty-three".