54135012 has 12 divisors (see below), whose sum is σ = 126315056. Its totient is φ = 18045000.

The previous prime is 54135001. The next prime is 54135019. The reversal of 54135012 is 21053145.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 54135012.

It is not an unprimeable number, because it can be changed into a prime (54135019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2255614 + ... + 2255637.

Almost surely, 2^54135012 is an apocalyptic number.

It is an amenable number.

54135012 is an abundant number, since it is smaller than the sum of its proper divisors (72180044).

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

54135012 is a wasteful number, since it uses less digits than its factorization.

54135012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4511258 (or 4511256 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 54135012 is about 7357.6498965363. The cubic root of 54135012 is about 378.2910610630.

Adding to 54135012 its reverse (21053145), we get a palindrome (75188157).

It can be divided in two parts, 541 and 35012, that added together give a palindrome (35553).

The spelling of 54135012 in words is "fifty-four million, one hundred thirty-five thousand, twelve".