542356564 has 6 divisors (see below), whose sum is σ = 949123994. Its totient is φ = 271178280.

The previous prime is 542356541. The next prime is 542356589. The reversal of 542356564 is 465653245.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 413715600 + 128640964 = 20340^2 + 11342^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67794567 + ... + 67794574.

Almost surely, 2^542356564 is an apocalyptic number.

It is an amenable number.

542356564 is a deficient number, since it is larger than the sum of its proper divisors (406767430).

542356564 is a wasteful number, since it uses less digits than its factorization.

542356564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135589145 (or 135589143 counting only the distinct ones).

The product of its digits is 432000, while the sum is 40.

The square root of 542356564 is about 23288.5500622087. The cubic root of 542356564 is about 815.5081398396.

The spelling of 542356564 in words is "five hundred forty-two million, three hundred fifty-six thousand, five hundred sixty-four".