54121042 has 4 divisors (see below), whose sum is σ = 81181566. Its totient is φ = 27060520.

The previous prime is 54121037. The next prime is 54121043. The reversal of 54121042 is 24012145.

54121042 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 53158681 + 962361 = 7291^2 + 981^2 .

It is not an unprimeable number, because it can be changed into a prime (54121043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13530259 + ... + 13530262.

Almost surely, 2^54121042 is an apocalyptic number.

54121042 is a deficient number, since it is larger than the sum of its proper divisors (27060524).

54121042 is a wasteful number, since it uses less digits than its factorization.

54121042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27060523.

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 54121042 is about 7356.7004832330. The cubic root of 54121042 is about 378.2585178556.

Adding to 54121042 its reverse (24012145), we get a palindrome (78133187).

The spelling of 54121042 in words is "fifty-four million, one hundred twenty-one thousand, forty-two".