53543340515 has 12 divisors (see below), whose sum is σ = 74742132816. Its totient is φ = 36715433328.

The previous prime is 53543340481. The next prime is 53543340553. The reversal of 53543340515 is 51504334535.

It is not a de Polignac number, because 53543340515 - 2⁶ = 53543340451 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 109271879 + ... + 109272368.

It is an arithmetic number, because the mean of its divisors is an integer number (6228511068).

Almost surely, 2^53543340515 is an apocalyptic number.

53543340515 is a deficient number, since it is larger than the sum of its proper divisors (21198792301).

53543340515 is a wasteful number, since it uses less digits than its factorization.

53543340515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218544266 (or 218544259 counting only the distinct ones).

The product of its (nonzero) digits is 270000, while the sum is 38.

The spelling of 53543340515 in words is "fifty-three billion, five hundred forty-three million, three hundred forty thousand, five hundred fifteen".