54533121 has 4 divisors (see below), whose sum is σ = 72710832. Its totient is φ = 36355412.

The previous prime is 54533119. The next prime is 54533179. The reversal of 54533121 is 12133545.

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 a cyclic number.

It is not a de Polignac number, because 54533121 - 2¹ = 54533119 is a prime.

It is a super-2 number, since 2×54533121² = 5947722572001282, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 54533091 and 54533100.

It is not an unprimeable number, because it can be changed into a prime (54533191) 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 3 ways as a sum of consecutive naturals, for example, 9088851 + ... + 9088856.

It is an arithmetic number, because the mean of its divisors is an integer number (18177708).

Almost surely, 2^54533121 is an apocalyptic number.

It is an amenable number.

54533121 is a deficient number, since it is larger than the sum of its proper divisors (18177711).

54533121 is a wasteful number, since it uses less digits than its factorization.

54533121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18177710.

The product of its digits is 1800, while the sum is 24.

The square root of 54533121 is about 7384.6544265795. The cubic root of 54533121 is about 379.2161149105.

Adding to 54533121 its reverse (12133545), we get a palindrome (66666666).

The spelling of 54533121 in words is "fifty-four million, five hundred thirty-three thousand, one hundred twenty-one".