53515145343 has 16 divisors (see below), whose sum is σ = 81937065600. Its totient is φ = 30726398880.

The previous prime is 53515145293. The next prime is 53515145347. The reversal of 53515145343 is 34354151535.

53515145343 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 53515145343 - 2¹⁸ = 53514883199 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53515145347) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42674928 + ... + 42676181.

It is an arithmetic number, because the mean of its divisors is an integer number (5121066600).

Almost surely, 2^53515145343 is an apocalyptic number.

53515145343 is a deficient number, since it is larger than the sum of its proper divisors (28421920257).

53515145343 is a wasteful number, since it uses less digits than its factorization.

53515145343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85351142.

The product of its digits is 270000, while the sum is 39.

Adding to 53515145343 its reverse (34354151535), we get a palindrome (87869296878).

The spelling of 53515145343 in words is "fifty-three billion, five hundred fifteen million, one hundred forty-five thousand, three hundred forty-three".