53023494842 has 8 divisors (see below), whose sum is σ = 79549530516. Its totient is φ = 26506984672.

The previous prime is 53023494793. The next prime is 53023494851. The reversal of 53023494842 is 24849432035.

It can be written as a sum of positive squares in 2 ways, for example, as 52954754161 + 68740681 = 230119^2 + 8291^2 .

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

It is a super-2 number, since 2×53023494842² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 53023494793 and 53023494802.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2367443 + ... + 2389734.

Almost surely, 2^53023494842 is an apocalyptic number.

53023494842 is a deficient number, since it is larger than the sum of its proper divisors (26526035674).

53023494842 is a wasteful number, since it uses less digits than its factorization.

53023494842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4762752.

The product of its (nonzero) digits is 829440, while the sum is 44.

The spelling of 53023494842 in words is "fifty-three billion, twenty-three million, four hundred ninety-four thousand, eight hundred forty-two".