54072331 has 2 divisors, whose sum is σ = 54072332. Its totient is φ = 54072330.

The previous prime is 54072311. The next prime is 54072353. The reversal of 54072331 is 13327045.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 54072331 - 2⁵ = 54072299 is a prime.

It is a super-2 number, since 2×54072331² = 5847633959547122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 54072296 and 54072305.

It is not a weakly prime, because it can be changed into another prime (54072301) 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 as a sum of consecutive naturals, namely, 27036165 + 27036166.

It is an arithmetic number, because the mean of its divisors is an integer number (27036166).

Almost surely, 2^54072331 is an apocalyptic number.

54072331 is a deficient number, since it is larger than the sum of its proper divisors (1).

54072331 is an equidigital number, since it uses as much as digits as its factorization.

54072331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2520, while the sum is 25.

The square root of 54072331 is about 7353.3890825931. The cubic root of 54072331 is about 378.1450014327.

Adding to 54072331 its reverse (13327045), we get a palindrome (67399376).

The spelling of 54072331 in words is "fifty-four million, seventy-two thousand, three hundred thirty-one".