54785473 has 4 divisors (see below), whose sum is σ = 55479040. Its totient is φ = 54091908.

The previous prime is 54785443. The next prime is 54785501. The reversal of 54785473 is 37458745.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 37458745 = 5 ⋅7491749.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54785473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54785443) 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, 346665 + ... + 346822.

It is an arithmetic number, because the mean of its divisors is an integer number (13869760).

Almost surely, 2^54785473 is an apocalyptic number.

It is an amenable number.

54785473 is a deficient number, since it is larger than the sum of its proper divisors (693567).

54785473 is an equidigital number, since it uses as much as digits as its factorization.

54785473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 693566.

The product of its digits is 470400, while the sum is 43.

The square root of 54785473 is about 7401.7209485362. The cubic root of 54785473 is about 379.8001557687.

The spelling of 54785473 in words is "fifty-four million, seven hundred eighty-five thousand, four hundred seventy-three".