53364342491 has 4 divisors (see below), whose sum is σ = 53534835912. Its totient is φ = 53193849072.

The previous prime is 53364342467. The next prime is 53364342569. The reversal of 53364342491 is 19424346335.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 19424346335 = 5 ⋅3884869267.

It is a cyclic number.

It is not a de Polignac number, because 53364342491 - 2¹⁰ = 53364341467 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53364345491) 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, 85246241 + ... + 85246866.

It is an arithmetic number, because the mean of its divisors is an integer number (13383708978).

Almost surely, 2^53364342491 is an apocalyptic number.

53364342491 is a deficient number, since it is larger than the sum of its proper divisors (170493421).

53364342491 is a wasteful number, since it uses less digits than its factorization.

53364342491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170493420.

The product of its digits is 933120, while the sum is 44.

The spelling of 53364342491 in words is "fifty-three billion, three hundred sixty-four million, three hundred forty-two thousand, four hundred ninety-one".