542889524 has 6 divisors (see below), whose sum is σ = 950056674. Its totient is φ = 271444760.

The previous prime is 542889517. The next prime is 542889533. The reversal of 542889524 is 425988245.

It can be written as a sum of positive squares in only one way, i.e., 430147600 + 112741924 = 20740^2 + 10618^2 .

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, 67861187 + ... + 67861194.

It is an arithmetic number, because the mean of its divisors is an integer number (158342779).

Almost surely, 2^542889524 is an apocalyptic number.

It is an amenable number.

542889524 is a deficient number, since it is larger than the sum of its proper divisors (407167150).

542889524 is a wasteful number, since it uses less digits than its factorization.

542889524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135722385 (or 135722383 counting only the distinct ones).

The product of its digits is 921600, while the sum is 47.

The square root of 542889524 is about 23299.9897854055. The cubic root of 542889524 is about 815.7751787565.

The spelling of 542889524 in words is "five hundred forty-two million, eight hundred eighty-nine thousand, five hundred twenty-four".