1543052055253 has 4 divisors (see below), whose sum is σ = 1543119281388. Its totient is φ = 1542984829120.

The previous prime is 1543052055247. The next prime is 1543052055257. The reversal of 1543052055253 is 3525502503451.

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

It can be written as a sum of positive squares in 2 ways, for example, as 999886003249 + 543166052004 = 999943^2 + 736998^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1543052055253 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 (1543052055257) 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, 33578626 + ... + 33624547.

It is an arithmetic number, because the mean of its divisors is an integer number (385779820347).

Almost surely, 2^{1543052055253} is an apocalyptic number.

It is an amenable number.

1543052055253 is a deficient number, since it is larger than the sum of its proper divisors (67226135).

1543052055253 is an equidigital number, since it uses as much as digits as its factorization.

1543052055253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67226134.

The product of its (nonzero) digits is 450000, while the sum is 40.

The spelling of 1543052055253 in words is "one trillion, five hundred forty-three billion, fifty-two million, fifty-five thousand, two hundred fifty-three".