53215423463 has 4 divisors (see below), whose sum is σ = 53686356528. Its totient is φ = 52744490400.

The previous prime is 53215423423. The next prime is 53215423507. The reversal of 53215423463 is 36432451235.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36432451235 = 5 ⋅7286490247.

It is a cyclic number.

It is not a de Polignac number, because 53215423463 - 2¹⁴ = 53215407079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53215423423) 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, 235466363 + ... + 235466588.

It is an arithmetic number, because the mean of its divisors is an integer number (13421589132).

Almost surely, 2^53215423463 is an apocalyptic number.

53215423463 is a deficient number, since it is larger than the sum of its proper divisors (470933065).

53215423463 is a wasteful number, since it uses less digits than its factorization.

53215423463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 470933064.

The product of its digits is 259200, while the sum is 38.

Adding to 53215423463 its reverse (36432451235), we get a palindrome (89647874698).

The spelling of 53215423463 in words is "fifty-three billion, two hundred fifteen million, four hundred twenty-three thousand, four hundred sixty-three".