542505078 has 12 divisors (see below), whose sum is σ = 1175427708. Its totient is φ = 180835020.

The previous prime is 542505031. The next prime is 542505079. The reversal of 542505078 is 870505245.

It is a happy number.

542505078 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542505079) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15069568 + ... + 15069603.

It is an arithmetic number, because the mean of its divisors is an integer number (97952309).

Almost surely, 2^542505078 is an apocalyptic number.

542505078 is an abundant number, since it is smaller than the sum of its proper divisors (632922630).

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

542505078 is a wasteful number, since it uses less digits than its factorization.

542505078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30139179 (or 30139176 counting only the distinct ones).

The product of its (nonzero) digits is 56000, while the sum is 36.

The square root of 542505078 is about 23291.7384065681. The cubic root of 542505078 is about 815.5825701625.

The spelling of 542505078 in words is "five hundred forty-two million, five hundred five thousand, seventy-eight".