53385809572 has 12 divisors (see below), whose sum is σ = 94350169116. Its totient is φ = 26428618400.

The previous prime is 53385809567. The next prime is 53385809599. The reversal of 53385809572 is 27590858335.

It can be written as a sum of positive squares in 2 ways, for example, as 31978022976 + 21407786596 = 178824^2 + 146314^2 .

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, 66071143 + ... + 66071950.

It is an arithmetic number, because the mean of its divisors is an integer number (7862514093).

Almost surely, 2^53385809572 is an apocalyptic number.

It is an amenable number.

53385809572 is a deficient number, since it is larger than the sum of its proper divisors (40964359544).

53385809572 is a wasteful number, since it uses less digits than its factorization.

53385809572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132143198 (or 132143196 counting only the distinct ones).

The product of its (nonzero) digits is 9072000, while the sum is 55.

The spelling of 53385809572 in words is "fifty-three billion, three hundred eighty-five million, eight hundred nine thousand, five hundred seventy-two".