53404236043 has 4 divisors (see below), whose sum is σ = 53788439320. Its totient is φ = 53020032768.

The previous prime is 53404236031. The next prime is 53404236103. The reversal of 53404236043 is 34063240435.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53404236043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53404236143) 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, 192101430 + ... + 192101707.

It is an arithmetic number, because the mean of its divisors is an integer number (13447109830).

Almost surely, 2^53404236043 is an apocalyptic number.

53404236043 is a deficient number, since it is larger than the sum of its proper divisors (384203277).

53404236043 is a wasteful number, since it uses less digits than its factorization.

53404236043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384203276.

The product of its (nonzero) digits is 103680, while the sum is 34.

Adding to 53404236043 its reverse (34063240435), we get a palindrome (87467476478).

The spelling of 53404236043 in words is "fifty-three billion, four hundred four million, two hundred thirty-six thousand, forty-three".