542553650 has 24 divisors (see below), whose sum is σ = 1015356144. Its totient is φ = 215686800.

The previous prime is 542553631. The next prime is 542553659. The reversal of 542553650 is 56355245.

It is a self number, because there is not a number n which added to its sum of digits gives 542553650.

It is not an unprimeable number, because it can be changed into a prime (542553659) 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 in 11 ways as a sum of consecutive naturals, for example, 25136 + ... + 41435.

It is an arithmetic number, because the mean of its divisors is an integer number (42306506).

Almost surely, 2^542553650 is an apocalyptic number.

542553650 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

542553650 is a deficient number, since it is larger than the sum of its proper divisors (472802494).

542553650 is a wasteful number, since it uses less digits than its factorization.

542553650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66746 (or 66741 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 35.

The square root of 542553650 is about 23292.7810705377. The cubic root of 542553650 is about 815.6069099005.

The spelling of 542553650 in words is "five hundred forty-two million, five hundred fifty-three thousand, six hundred fifty".