54358643 has 4 divisors (see below), whose sum is σ = 54640488. Its totient is φ = 54076800.

The previous prime is 54358597. The next prime is 54358663. The reversal of 54358643 is 34685345.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54358643 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 54358597 and 54358606.

It is not an unprimeable number, because it can be changed into a prime (54358663) 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, 140633 + ... + 141018.

It is an arithmetic number, because the mean of its divisors is an integer number (13660122).

Almost surely, 2^54358643 is an apocalyptic number.

54358643 is a deficient number, since it is larger than the sum of its proper divisors (281845).

54358643 is a wasteful number, since it uses less digits than its factorization.

54358643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281844.

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

The square root of 54358643 is about 7372.8314099808. The cubic root of 54358643 is about 378.8112505008.

The spelling of 54358643 in words is "fifty-four million, three hundred fifty-eight thousand, six hundred forty-three".