54426643 has 4 divisors (see below), whose sum is σ = 54926080. Its totient is φ = 53927208.

The previous prime is 54426641. The next prime is 54426653. The reversal of 54426643 is 34662445.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34662445 = 5 ⋅6932489.

It is a cyclic number.

It is not a de Polignac number, because 54426643 - 2¹ = 54426641 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 54426599 and 54426608.

It is not an unprimeable number, because it can be changed into a prime (54426641) 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, 249555 + ... + 249772.

It is an arithmetic number, because the mean of its divisors is an integer number (13731520).

Almost surely, 2^54426643 is an apocalyptic number.

54426643 is a deficient number, since it is larger than the sum of its proper divisors (499437).

54426643 is a wasteful number, since it uses less digits than its factorization.

54426643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 499436.

The product of its digits is 69120, while the sum is 34.

The square root of 54426643 is about 7377.4414941767. The cubic root of 54426643 is about 378.9691427875.

The spelling of 54426643 in words is "fifty-four million, four hundred twenty-six thousand, six hundred forty-three".