54947747 has 8 divisors (see below), whose sum is σ = 56246592. Its totient is φ = 53654400.

The previous prime is 54947731. The next prime is 54947771. The reversal of 54947747 is 74774945.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 54947747 - 2⁴ = 54947731 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is not an unprimeable number, because it can be changed into a prime (54947047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24347 + ... + 26507.

It is an arithmetic number, because the mean of its divisors is an integer number (7030824).

Almost surely, 2^54947747 is an apocalyptic number.

54947747 is a deficient number, since it is larger than the sum of its proper divisors (1298845).

54947747 is a wasteful number, since it uses less digits than its factorization.

54947747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2749.

The product of its digits is 987840, while the sum is 47.

The square root of 54947747 is about 7412.6747534207. The cubic root of 54947747 is about 380.1747741741.

The spelling of 54947747 in words is "fifty-four million, nine hundred forty-seven thousand, seven hundred forty-seven".