54545312 has 24 divisors (see below), whose sum is σ = 107829792. Its totient is φ = 27160000.

The previous prime is 54545291. The next prime is 54545327. The reversal of 54545312 is 21354545.

It is a super-2 number, since 2×54545312² = 5950382122354688, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4637 + ... + 11427.

It is an arithmetic number, because the mean of its divisors is an integer number (4492908).

Almost surely, 2^54545312 is an apocalyptic number.

It is an amenable number.

54545312 is a deficient number, since it is larger than the sum of its proper divisors (53284480).

54545312 is a wasteful number, since it uses less digits than its factorization.

54545312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7052 (or 7044 counting only the distinct ones).

The product of its digits is 12000, while the sum is 29.

The square root of 54545312 is about 7385.4798083808. The cubic root of 54545312 is about 379.2443710059.

Adding to 54545312 its reverse (21354545), we get a palindrome (75899857).

The spelling of 54545312 in words is "fifty-four million, five hundred forty-five thousand, three hundred twelve".