53381909411 has 4 divisors (see below), whose sum is σ = 53932238472. Its totient is φ = 52831580352.

The previous prime is 53381909407. The next prime is 53381909417. The reversal of 53381909411 is 11490918335.

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

It is a cyclic number.

It is not a de Polignac number, because 53381909411 - 2² = 53381909407 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53381909417) 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, 275164385 + ... + 275164578.

It is an arithmetic number, because the mean of its divisors is an integer number (13483059618).

Almost surely, 2^53381909411 is an apocalyptic number.

53381909411 is a deficient number, since it is larger than the sum of its proper divisors (550329061).

53381909411 is an equidigital number, since it uses as much as digits as its factorization.

53381909411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 550329060.

The product of its (nonzero) digits is 116640, while the sum is 44.

The spelling of 53381909411 in words is "fifty-three billion, three hundred eighty-one million, nine hundred nine thousand, four hundred eleven".