54545812 has 12 divisors (see below), whose sum is σ = 95508000. Its totient is φ = 27257816.

The previous prime is 54545791. The next prime is 54545837. The reversal of 54545812 is 21854545.

It is a happy number.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

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, 9723 + ... + 14269.

It is an arithmetic number, because the mean of its divisors is an integer number (7959000).

Almost surely, 2^54545812 is an apocalyptic number.

It is an amenable number.

54545812 is a deficient number, since it is larger than the sum of its proper divisors (40962188).

54545812 is a wasteful number, since it uses less digits than its factorization.

54545812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7550 (or 7548 counting only the distinct ones).

The product of its digits is 32000, while the sum is 34.

The square root of 54545812 is about 7385.5136585074. The cubic root of 54545812 is about 379.2455298076.

The spelling of 54545812 in words is "fifty-four million, five hundred forty-five thousand, eight hundred twelve".