53143513545 has 16 divisors (see below), whose sum is σ = 85032714240. Its totient is φ = 28342176384.

The previous prime is 53143513543. The next prime is 53143513547. The reversal of 53143513545 is 54531534135.

It is an interprime number because it is at equal distance from previous prime (53143513543) and next prime (53143513547).

It is not a de Polignac number, because 53143513545 - 2¹ = 53143513543 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53143513543) 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, 551992 + ... + 641078.

It is an arithmetic number, because the mean of its divisors is an integer number (5314544640).

Almost surely, 2^53143513545 is an apocalyptic number.

It is an amenable number.

53143513545 is a deficient number, since it is larger than the sum of its proper divisors (31889200695).

53143513545 is a wasteful number, since it uses less digits than its factorization.

53143513545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128864.

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

The spelling of 53143513545 in words is "fifty-three billion, one hundred forty-three million, five hundred thirteen thousand, five hundred forty-five".