53486243381 has 4 divisors (see below), whose sum is σ = 53489376192. Its totient is φ = 53483110572.

The previous prime is 53486243357. The next prime is 53486243407. The reversal of 53486243381 is 18334268435.

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 53486243381 - 2¹⁰ = 53486242357 is a prime.

It is a super-2 number, since 2×53486243381² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53486243311) by changing a digit.

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, 1540655 + ... + 1574988.

It is an arithmetic number, because the mean of its divisors is an integer number (13372344048).

Almost surely, 2^53486243381 is an apocalyptic number.

It is an amenable number.

53486243381 is a deficient number, since it is larger than the sum of its proper divisors (3132811).

53486243381 is a wasteful number, since it uses less digits than its factorization.

53486243381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3132810.

The product of its digits is 1658880, while the sum is 47.

The spelling of 53486243381 in words is "fifty-three billion, four hundred eighty-six million, two hundred forty-three thousand, three hundred eighty-one".