54624321 has 16 divisors (see below), whose sum is σ = 83113600. Its totient is φ = 35431344.

The previous prime is 54624307. The next prime is 54624343. The reversal of 54624321 is 12342645.

54624321 is a `hidden beast` number, since 5 + 4 + 624 + 32 + 1 = 666.

It is not a de Polignac number, because 54624321 - 2¹⁰ = 54623297 is a prime.

It is a super-2 number, since 2×54624321² = 5967632889422082, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54624721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26341 + ... + 28338.

It is an arithmetic number, because the mean of its divisors is an integer number (5194600).

Almost surely, 2^54624321 is an apocalyptic number.

It is an amenable number.

54624321 is a deficient number, since it is larger than the sum of its proper divisors (28489279).

54624321 is a wasteful number, since it uses less digits than its factorization.

54624321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54725 (or 54719 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

The square root of 54624321 is about 7390.8268143693. The cubic root of 54624321 is about 379.4273947558.

Adding to 54624321 its reverse (12342645), we get a palindrome (66966966).

It can be divided in two parts, 54624 and 321, that added together give a palindrome (54945).

The spelling of 54624321 in words is "fifty-four million, six hundred twenty-four thousand, three hundred twenty-one".