54825321 has 4 divisors (see below), whose sum is σ = 73100432. Its totient is φ = 36550212.

The previous prime is 54825313. The next prime is 54825361. The reversal of 54825321 is 12352845.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 54825321 - 2³ = 54825313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54825311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9137551 + ... + 9137556.

It is an arithmetic number, because the mean of its divisors is an integer number (18275108).

Almost surely, 2^54825321 is an apocalyptic number.

It is an amenable number.

54825321 is a deficient number, since it is larger than the sum of its proper divisors (18275111).

54825321 is a wasteful number, since it uses less digits than its factorization.

54825321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18275110.

The product of its digits is 9600, while the sum is 30.

The square root of 54825321 is about 7404.4122656697. The cubic root of 54825321 is about 379.8922155062.

The spelling of 54825321 in words is "fifty-four million, eight hundred twenty-five thousand, three hundred twenty-one".