54245623 has 4 divisors (see below), whose sum is σ = 57436560. Its totient is φ = 51054688.

The previous prime is 54245621. The next prime is 54245641. The reversal of 54245623 is 32654245.

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

It is a cyclic number.

It is not a de Polignac number, because 54245623 - 2¹ = 54245621 is a prime.

It is a super-2 number, since 2×54245623² = 5885175229316258, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54245621) 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, 1595443 + ... + 1595476.

It is an arithmetic number, because the mean of its divisors is an integer number (14359140).

Almost surely, 2^54245623 is an apocalyptic number.

54245623 is a deficient number, since it is larger than the sum of its proper divisors (3190937).

54245623 is a wasteful number, since it uses less digits than its factorization.

54245623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3190936.

The product of its digits is 28800, while the sum is 31.

The square root of 54245623 is about 7365.1627952137. The cubic root of 54245623 is about 378.5485326742.

Adding to 54245623 its reverse (32654245), we get a palindrome (86899868).

The spelling of 54245623 in words is "fifty-four million, two hundred forty-five thousand, six hundred twenty-three".