53003540453 has 4 divisors (see below), whose sum is σ = 54003607308. Its totient is φ = 52003473600.

The previous prime is 53003540431. The next prime is 53003540461. The reversal of 53003540453 is 35404530035.

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 14981270404 + 38022270049 = 122398^2 + 194993^2 .

It is a cyclic number.

It is not a de Polignac number, because 53003540453 - 2⁸ = 53003540197 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 (53003549453) 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, 500033348 + ... + 500033453.

It is an arithmetic number, because the mean of its divisors is an integer number (13500901827).

Almost surely, 2^53003540453 is an apocalyptic number.

53003540453 is a gapful number since it is divisible by the number (53) formed by its first and last digit.

It is an amenable number.

53003540453 is a deficient number, since it is larger than the sum of its proper divisors (1000066855).

53003540453 is a wasteful number, since it uses less digits than its factorization.

53003540453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1000066854.

The product of its (nonzero) digits is 54000, while the sum is 32.

The spelling of 53003540453 in words is "fifty-three billion, three million, five hundred forty thousand, four hundred fifty-three".