54947485771 has 16 divisors (see below), whose sum is σ = 58270233600. Its totient is φ = 51722483040.

The previous prime is 54947485763. The next prime is 54947485793. The reversal of 54947485771 is 17758474945.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 54947485771 - 2³ = 54947485763 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54947485711) 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, 6312180 + ... + 6320878.

It is an arithmetic number, because the mean of its divisors is an integer number (3641889600).

Almost surely, 2^54947485771 is an apocalyptic number.

54947485771 is a deficient number, since it is larger than the sum of its proper divisors (3322747829).

54947485771 is a wasteful number, since it uses less digits than its factorization.

54947485771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14274.

The product of its digits is 39513600, while the sum is 61.

The spelling of 54947485771 in words is "fifty-four billion, nine hundred forty-seven million, four hundred eighty-five thousand, seven hundred seventy-one".