53143503455 has 24 divisors (see below), whose sum is σ = 74344375872. Its totient is φ = 36362475072.

The previous prime is 53143503389. The next prime is 53143503547. The reversal of 53143503455 is 55430534135.

It is not a de Polignac number, because 53143503455 - 2³⁰ = 52069761631 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 120812 + ... + 347681.

It is an arithmetic number, because the mean of its divisors is an integer number (3097682328).

Almost surely, 2^53143503455 is an apocalyptic number.

53143503455 is a deficient number, since it is larger than the sum of its proper divisors (21200872417).

53143503455 is a wasteful number, since it uses less digits than its factorization.

53143503455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 468975 (or 468968 counting only the distinct ones).

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

The spelling of 53143503455 in words is "fifty-three billion, one hundred forty-three million, five hundred three thousand, four hundred fifty-five".