53143255243555 has 8 divisors (see below), whose sum is σ = 64178096779152. Its totient is φ = 42243810536928.

The previous prime is 53143255243553. The next prime is 53143255243591. The reversal of 53143255243555 is 55534255234135.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 53143255243555 - 2¹ = 53143255243553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53143255243553) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33849206377 + ... + 33849207946.

It is an arithmetic number, because the mean of its divisors is an integer number (8022262097394).

Almost surely, 2^{53143255243555} is an apocalyptic number.

53143255243555 is a deficient number, since it is larger than the sum of its proper divisors (11034841535597).

53143255243555 is a wasteful number, since it uses less digits than its factorization.

53143255243555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67698414485.

The product of its digits is 27000000, while the sum is 52.

The spelling of 53143255243555 in words is "fifty-three trillion, one hundred forty-three billion, two hundred fifty-five million, two hundred forty-three thousand, five hundred fifty-five".