53621485193 has 4 divisors (see below), whose sum is σ = 53636606160. Its totient is φ = 53606364228.

The previous prime is 53621485171. The next prime is 53621485231. The reversal of 53621485193 is 39158412635.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 53621485193 - 2¹² = 53621481097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53621485103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7555163 + ... + 7562256.

It is an arithmetic number, because the mean of its divisors is an integer number (13409151540).

Almost surely, 2^53621485193 is an apocalyptic number.

It is an amenable number.

53621485193 is a deficient number, since it is larger than the sum of its proper divisors (15120967).

53621485193 is a wasteful number, since it uses less digits than its factorization.

53621485193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15120966.

The product of its digits is 777600, while the sum is 47.

The spelling of 53621485193 in words is "fifty-three billion, six hundred twenty-one million, four hundred eighty-five thousand, one hundred ninety-three".