53015995594 has 4 divisors (see below), whose sum is σ = 79523993394. Its totient is φ = 26507997796.

The previous prime is 53015995589. The next prime is 53015995597. The reversal of 53015995594 is 49559951035.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 34223150025 + 18792845569 = 184995^2 + 137087^2 .

It is not an unprimeable number, because it can be changed into a prime (53015995597) by changing a digit.

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 as a sum of consecutive naturals, namely, 13253998897 + ... + 13253998900.

Almost surely, 2^53015995594 is an apocalyptic number.

53015995594 is a deficient number, since it is larger than the sum of its proper divisors (26507997800).

53015995594 is a wasteful number, since it uses less digits than its factorization.

53015995594 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26507997799.

The product of its (nonzero) digits is 5467500, while the sum is 55.

The spelling of 53015995594 in words is "fifty-three billion, fifteen million, nine hundred ninety-five thousand, five hundred ninety-four".