542225556 has 48 divisors (see below), whose sum is σ = 1407268800. Its totient is φ = 180549216.

The previous prime is 542225543. The next prime is 542225581. The reversal of 542225556 is 655522245.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 542225556.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 128935 + ... + 133073.

It is an arithmetic number, because the mean of its divisors is an integer number (29318100).

Almost surely, 2^542225556 is an apocalyptic number.

It is an amenable number.

542225556 is an abundant number, since it is smaller than the sum of its proper divisors (865043244).

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

542225556 is a wasteful number, since it uses less digits than its factorization.

542225556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5365 (or 5357 counting only the distinct ones).

The product of its digits is 120000, while the sum is 36.

The square root of 542225556 is about 23285.7371796557. The cubic root of 542225556 is about 815.4424716667.

The spelling of 542225556 in words is "five hundred forty-two million, two hundred twenty-five thousand, five hundred fifty-six".