53502406442 has 8 divisors (see below), whose sum is σ = 80266756356. Its totient is φ = 26746820992.

The previous prime is 53502406411. The next prime is 53502406453. The reversal of 53502406442 is 24460420535.

It can be written as a sum of positive squares in 2 ways, for example, as 52016381041 + 1486025401 = 228071^2 + 38549^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2175833 + ... + 2200284.

Almost surely, 2^53502406442 is an apocalyptic number.

53502406442 is a deficient number, since it is larger than the sum of its proper divisors (26764349914).

53502406442 is a wasteful number, since it uses less digits than its factorization.

53502406442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4382232.

The product of its (nonzero) digits is 115200, while the sum is 35.

Adding to 53502406442 its reverse (24460420535), we get a palindrome (77962826977).

The spelling of 53502406442 in words is "fifty-three billion, five hundred two million, four hundred six thousand, four hundred forty-two".