53612881197 has 4 divisors (see below), whose sum is σ = 71483841600. Its totient is φ = 35741920796.

The previous prime is 53612881187. The next prime is 53612881253. The reversal of 53612881197 is 79118821635.

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 53612881197 - 2¹⁰ = 53612880173 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53612881177) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8935480197 + ... + 8935480202.

It is an arithmetic number, because the mean of its divisors is an integer number (17870960400).

Almost surely, 2^53612881197 is an apocalyptic number.

It is an amenable number.

53612881197 is a deficient number, since it is larger than the sum of its proper divisors (17870960403).

53612881197 is a wasteful number, since it uses less digits than its factorization.

53612881197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17870960402.

The product of its digits is 725760, while the sum is 51.

The spelling of 53612881197 in words is "fifty-three billion, six hundred twelve million, eight hundred eighty-one thousand, one hundred ninety-seven".