542556550 has 24 divisors (see below), whose sum is σ = 1014747552. Its totient is φ = 215820000.

The previous prime is 542556541. The next prime is 542556551. The reversal of 542556550 is 55655245.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542556551) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 20926 + ... + 39025.

It is an arithmetic number, because the mean of its divisors is an integer number (42281148).

Almost surely, 2^542556550 is an apocalyptic number.

542556550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

542556550 is a deficient number, since it is larger than the sum of its proper divisors (472191002).

542556550 is a wasteful number, since it uses less digits than its factorization.

542556550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60144 (or 60139 counting only the distinct ones).

The product of its (nonzero) digits is 150000, while the sum is 37.

The square root of 542556550 is about 23292.8433215011. The cubic root of 542556550 is about 815.6083630630.

The spelling of 542556550 in words is "five hundred forty-two million, five hundred fifty-six thousand, five hundred fifty".