53215848479 has 4 divisors (see below), whose sum is σ = 53216352984. Its totient is φ = 53215343976.

The previous prime is 53215848461. The next prime is 53215848523. The reversal of 53215848479 is 97484851235.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 53215848479 - 2³² = 48920881183 is a prime.

It is a super-2 number, since 2×53215848479² (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 (53215848779) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26957 + ... + 327350.

It is an arithmetic number, because the mean of its divisors is an integer number (13304088246).

Almost surely, 2^53215848479 is an apocalyptic number.

53215848479 is a deficient number, since it is larger than the sum of its proper divisors (504505).

53215848479 is a wasteful number, since it uses less digits than its factorization.

53215848479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 504504.

The product of its digits is 9676800, while the sum is 56.

The spelling of 53215848479 in words is "fifty-three billion, two hundred fifteen million, eight hundred forty-eight thousand, four hundred seventy-nine".