53215101453 has 4 divisors (see below), whose sum is σ = 70953468608. Its totient is φ = 35476734300.

The previous prime is 53215101437. The next prime is 53215101463. The reversal of 53215101453 is 35410151235.

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 not a de Polignac number, because 53215101453 - 2⁴ = 53215101437 is a prime.

It is a super-2 number, since 2×53215101453² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 53215101453.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53215101463) 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, 8869183573 + ... + 8869183578.

It is an arithmetic number, because the mean of its divisors is an integer number (17738367152).

Almost surely, 2^53215101453 is an apocalyptic number.

It is an amenable number.

53215101453 is a deficient number, since it is larger than the sum of its proper divisors (17738367155).

53215101453 is a wasteful number, since it uses less digits than its factorization.

53215101453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17738367154.

The product of its (nonzero) digits is 9000, while the sum is 30.

Adding to 53215101453 its reverse (35410151235), we get a palindrome (88625252688).

The spelling of 53215101453 in words is "fifty-three billion, two hundred fifteen million, one hundred one thousand, four hundred fifty-three".