54812646 has 32 divisors (see below), whose sum is σ = 139207680. Its totient is φ = 15660648.

The previous prime is 54812629. The next prime is 54812647. The reversal of 54812646 is 64621845.

54812646 is a `hidden beast` number, since 5 + 4 + 8 + 1 + 2 + 646 = 666.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 54812646.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54812647) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72126 + ... + 72881.

It is an arithmetic number, because the mean of its divisors is an integer number (4350240).

Almost surely, 2^54812646 is an apocalyptic number.

54812646 is an abundant number, since it is smaller than the sum of its proper divisors (84395034).

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

54812646 is a wasteful number, since it uses less digits than its factorization.

54812646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145025 (or 145019 counting only the distinct ones).

The product of its digits is 46080, while the sum is 36.

The square root of 54812646 is about 7403.5563076133. The cubic root of 54812646 is about 379.8629376418.

The spelling of 54812646 in words is "fifty-four million, eight hundred twelve thousand, six hundred forty-six".