54205015042 has 4 divisors (see below), whose sum is σ = 81307522566. Its totient is φ = 27102507520.

The previous prime is 54205015037. The next prime is 54205015103. The reversal of 54205015042 is 24051050245.

54205015042 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., 53958179521 + 246835521 = 232289^2 + 15711^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 54205015042.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13551253759 + ... + 13551253762.

Almost surely, 2^54205015042 is an apocalyptic number.

54205015042 is a deficient number, since it is larger than the sum of its proper divisors (27102507524).

54205015042 is a wasteful number, since it uses less digits than its factorization.

54205015042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27102507523.

The product of its (nonzero) digits is 8000, while the sum is 28.

Adding to 54205015042 its reverse (24051050245), we get a palindrome (78256065287).

The spelling of 54205015042 in words is "fifty-four billion, two hundred five million, fifteen thousand, forty-two".