53045333503 has 4 divisors (see below), whose sum is σ = 53232773128. Its totient is φ = 52857893880.

The previous prime is 53045333399. The next prime is 53045333533. The reversal of 53045333503 is 30533354035.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30533354035 = 5 ⋅6106670807.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53045333503 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 (53045333533) 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, 93719388 + ... + 93719953.

It is an arithmetic number, because the mean of its divisors is an integer number (13308193282).

Almost surely, 2^53045333503 is an apocalyptic number.

53045333503 is a deficient number, since it is larger than the sum of its proper divisors (187439625).

53045333503 is a wasteful number, since it uses less digits than its factorization.

53045333503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187439624.

The product of its (nonzero) digits is 121500, while the sum is 34.

Adding to 53045333503 its reverse (30533354035), we get a palindrome (83578687538).

The spelling of 53045333503 in words is "fifty-three billion, forty-five million, three hundred thirty-three thousand, five hundred three".