54142512 has 20 divisors (see below), whose sum is σ = 139868280. Its totient is φ = 18047488.

The previous prime is 54142453. The next prime is 54142519. The reversal of 54142512 is 21524145.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (54142519) 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, 563937 + ... + 564032.

It is an arithmetic number, because the mean of its divisors is an integer number (6993414).

Almost surely, 2^54142512 is an apocalyptic number.

It is an amenable number.

54142512 is an abundant number, since it is smaller than the sum of its proper divisors (85725768).

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

54142512 is a wasteful number, since it uses less digits than its factorization.

54142512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1127980 (or 1127974 counting only the distinct ones).

The product of its digits is 1600, while the sum is 24.

The square root of 54142512 is about 7358.1595524968. The cubic root of 54142512 is about 378.3085300530.

Adding to 54142512 its reverse (21524145), we get a palindrome (75666657).

The spelling of 54142512 in words is "fifty-four million, one hundred forty-two thousand, five hundred twelve".