53502111143 has 8 divisors (see below), whose sum is σ = 59476292736. Its totient is φ = 47793448800.

The previous prime is 53502111139. The next prime is 53502111151. The reversal of 53502111143 is 34111120535.

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 53502111143 - 2² = 53502111139 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53502111743) 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, 66379388 + ... + 66380193.

It is an arithmetic number, because the mean of its divisors is an integer number (7434536592).

Almost surely, 2^53502111143 is an apocalyptic number.

53502111143 is a deficient number, since it is larger than the sum of its proper divisors (5974181593).

53502111143 is a wasteful number, since it uses less digits than its factorization.

53502111143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132759625.

The product of its (nonzero) digits is 1800, while the sum is 26.

Adding to 53502111143 its reverse (34111120535), we get a palindrome (87613231678).

The spelling of 53502111143 in words is "fifty-three billion, five hundred two million, one hundred eleven thousand, one hundred forty-three".