53442503143 has 4 divisors (see below), whose sum is σ = 53448285600. Its totient is φ = 53436720688.

The previous prime is 53442503141. The next prime is 53442503159. The reversal of 53442503143 is 34130524435.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 53442503143 - 2¹ = 53442503141 is a prime.

It is a super-2 number, since 2×53442503143² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 53442503099 and 53442503108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53442503141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2877343 + ... + 2895856.

It is an arithmetic number, because the mean of its divisors is an integer number (13362071400).

Almost surely, 2^53442503143 is an apocalyptic number.

53442503143 is a deficient number, since it is larger than the sum of its proper divisors (5782457).

53442503143 is an equidigital number, since it uses as much as digits as its factorization.

53442503143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5782456.

The product of its (nonzero) digits is 86400, while the sum is 34.

The spelling of 53442503143 in words is "fifty-three billion, four hundred forty-two million, five hundred three thousand, one hundred forty-three".