54206623 has 4 divisors (see below), whose sum is σ = 54248800. Its totient is φ = 54164448.

The previous prime is 54206587. The next prime is 54206629. The reversal of 54206623 is 32660245.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32660245 = 5 ⋅6532049.

It is a cyclic number.

It is not a de Polignac number, because 54206623 - 2¹⁷ = 54075551 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 54206591 and 54206600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54206629) 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, 19098 + ... + 21751.

It is an arithmetic number, because the mean of its divisors is an integer number (13562200).

Almost surely, 2^54206623 is an apocalyptic number.

54206623 is a deficient number, since it is larger than the sum of its proper divisors (42177).

54206623 is a wasteful number, since it uses less digits than its factorization.

54206623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42176.

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 54206623 is about 7362.5147198495. The cubic root of 54206623 is about 378.4577915143.

Adding to 54206623 its reverse (32660245), we get a palindrome (86866868).

The spelling of 54206623 in words is "fifty-four million, two hundred six thousand, six hundred twenty-three".