54280812 has 24 divisors (see below), whose sum is σ = 127963696. Its totient is φ = 17906688.

The previous prime is 54280799. The next prime is 54280819. The reversal of 54280812 is 21808245.

It is a self number, because there is not a number n which added to its sum of digits gives 54280812.

It is not an unprimeable number, because it can be changed into a prime (54280819) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22153 + ... + 24480.

Almost surely, 2^54280812 is an apocalyptic number.

It is an amenable number.

54280812 is an abundant number, since it is smaller than the sum of its proper divisors (73682884).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

54280812 is a wasteful number, since it uses less digits than its factorization.

54280812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46737 (or 46735 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 30.

The square root of 54280812 is about 7367.5512892684. The cubic root of 54280812 is about 378.6303694765.

The spelling of 54280812 in words is "fifty-four million, two hundred eighty thousand, eight hundred twelve".