54552331 has 4 divisors (see below), whose sum is σ = 55209672. Its totient is φ = 53894992.

The previous prime is 54552313. The next prime is 54552341. The reversal of 54552331 is 13325545.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13325545 = 5 ⋅2665109.

It is a cyclic number.

It is not a de Polignac number, because 54552331 - 2⁷ = 54552203 is a prime.

It is a super-2 number, since 2×54552331² = 5951913635067122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 54552331.

It is not an unprimeable number, because it can be changed into a prime (54552301) 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, 328546 + ... + 328711.

It is an arithmetic number, because the mean of its divisors is an integer number (13802418).

Almost surely, 2^54552331 is an apocalyptic number.

54552331 is a deficient number, since it is larger than the sum of its proper divisors (657341).

54552331 is an equidigital number, since it uses as much as digits as its factorization.

54552331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 657340.

The product of its digits is 9000, while the sum is 28.

The square root of 54552331 is about 7385.9549822619. The cubic root of 54552331 is about 379.2606376166.

Adding to 54552331 its reverse (13325545), we get a palindrome (67877876).

The spelling of 54552331 in words is "fifty-four million, five hundred fifty-two thousand, three hundred thirty-one".