54212142 has 8 divisors (see below), whose sum is σ = 108424296. Its totient is φ = 18070712.

The previous prime is 54212117. The next prime is 54212143. The reversal of 54212142 is 24121245.

It is a sphenic number, since it is the product of 3 distinct primes.

54212142 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54212143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4517673 + ... + 4517684.

It is an arithmetic number, because the mean of its divisors is an integer number (13553037).

Almost surely, 2^54212142 is an apocalyptic number.

54212142 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

54212142 is a wasteful number, since it uses less digits than its factorization.

54212142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9035362.

The product of its digits is 640, while the sum is 21.

The square root of 54212142 is about 7362.8895143143. The cubic root of 54212142 is about 378.4706351950.

Adding to 54212142 its reverse (24121245), we get a palindrome (78333387).

The spelling of 54212142 in words is "fifty-four million, two hundred twelve thousand, one hundred forty-two".