54785747 has 16 divisors (see below), whose sum is σ = 61549632. Its totient is φ = 48491520.

The previous prime is 54785723. The next prime is 54785749. The reversal of 54785747 is 74758745.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54785747 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54785749) 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, 22703 + ... + 24999.

It is an arithmetic number, because the mean of its divisors is an integer number (3846852).

Almost surely, 2^54785747 is an apocalyptic number.

54785747 is a deficient number, since it is larger than the sum of its proper divisors (6763885).

54785747 is a wasteful number, since it uses less digits than its factorization.

54785747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2398.

The product of its digits is 1097600, while the sum is 47.

The square root of 54785747 is about 7401.7394577221. The cubic root of 54785747 is about 379.8007889357.

The spelling of 54785747 in words is "fifty-four million, seven hundred eighty-five thousand, seven hundred forty-seven".