54472321 has 2 divisors, whose sum is σ = 54472322. Its totient is φ = 54472320.

The previous prime is 54472307. The next prime is 54472351. The reversal of 54472321 is 12327445.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 54464400 + 7921 = 7380^2 + 89^2 .

It is a cyclic number.

It is not a de Polignac number, because 54472321 - 2²⁵ = 20917889 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 54472321.

It is not a weakly prime, because it can be changed into another prime (54472351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27236160 + 27236161.

It is an arithmetic number, because the mean of its divisors is an integer number (27236161).

Almost surely, 2^54472321 is an apocalyptic number.

It is an amenable number.

54472321 is a deficient number, since it is larger than the sum of its proper divisors (1).

54472321 is an equidigital number, since it uses as much as digits as its factorization.

54472321 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6720, while the sum is 28.

The square root of 54472321 is about 7380.5366336060. The cubic root of 54472321 is about 379.0751307812.

Adding to 54472321 its reverse (12327445), we get a palindrome (66799766).

The spelling of 54472321 in words is "fifty-four million, four hundred seventy-two thousand, three hundred twenty-one".