54643853 has 16 divisors (see below), whose sum is σ = 61041600. Its totient is φ = 48497280.

The previous prime is 54643847. The next prime is 54643871. The reversal of 54643853 is 35834645.

It is a cyclic number.

It is not a de Polignac number, because 54643853 - 2⁶ = 54643789 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54643873) 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, 174425 + ... + 174737.

It is an arithmetic number, because the mean of its divisors is an integer number (3815100).

Almost surely, 2^54643853 is an apocalyptic number.

It is an amenable number.

54643853 is a deficient number, since it is larger than the sum of its proper divisors (6397747).

54643853 is a wasteful number, since it uses less digits than its factorization.

54643853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 652.

The product of its digits is 172800, while the sum is 38.

The square root of 54643853 is about 7392.1480639933. The cubic root of 54643853 is about 379.4726132751.

The spelling of 54643853 in words is "fifty-four million, six hundred forty-three thousand, eight hundred fifty-three".