542513644 has 6 divisors (see below), whose sum is σ = 949398884. Its totient is φ = 271256820.

The previous prime is 542513603. The next prime is 542513663. The reversal of 542513644 is 446315245.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 67814202 + ... + 67814209.

Almost surely, 2^542513644 is an apocalyptic number.

It is an amenable number.

542513644 is a deficient number, since it is larger than the sum of its proper divisors (406885240).

542513644 is a wasteful number, since it uses less digits than its factorization.

542513644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135628415 (or 135628413 counting only the distinct ones).

The product of its digits is 57600, while the sum is 34.

The square root of 542513644 is about 23291.9222907857. The cubic root of 542513644 is about 815.5868627451.

Adding to 542513644 its reverse (446315245), we get a palindrome (988828889).

The spelling of 542513644 in words is "five hundred forty-two million, five hundred thirteen thousand, six hundred forty-four".