542564520 has 128 divisors (see below), whose sum is σ = 1730937600. Its totient is φ = 135581696.

The previous prime is 542564507. The next prime is 542564527. The reversal of 542564520 is 25465245.

It is not an unprimeable number, because it can be changed into a prime (542564527) 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 31 ways as a sum of consecutive naturals, for example, 646261 + ... + 647099.

It is an arithmetic number, because the mean of its divisors is an integer number (13522950).

Almost surely, 2^542564520 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 542564520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (865468800).

542564520 is an abundant number, since it is smaller than the sum of its proper divisors (1188373080).

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

542564520 is a wasteful number, since it uses less digits than its factorization.

542564520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1187 (or 1183 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 33.

The square root of 542564520 is about 23293.0144034644. The cubic root of 542564520 is about 815.6123567277.

The spelling of 542564520 in words is "five hundred forty-two million, five hundred sixty-four thousand, five hundred twenty".