53520405433451 has 4 divisors (see below), whose sum is σ = 58385896836504. Its totient is φ = 48654914030400.

The previous prime is 53520405433433. The next prime is 53520405433457. The reversal of 53520405433451 is 15433450402535.

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 53520405433451 - 2³⁴ = 53503225564267 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53520405433457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2432745701510 + ... + 2432745701531.

It is an arithmetic number, because the mean of its divisors is an integer number (14596474209126).

Almost surely, 2^{53520405433451} is an apocalyptic number.

53520405433451 is a deficient number, since it is larger than the sum of its proper divisors (4865491403053).

53520405433451 is a wasteful number, since it uses less digits than its factorization.

53520405433451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4865491403052.

The product of its (nonzero) digits is 2160000, while the sum is 44.

Adding to 53520405433451 its reverse (15433450402535), we get a palindrome (68953855835986).

The spelling of 53520405433451 in words is "fifty-three trillion, five hundred twenty billion, four hundred five million, four hundred thirty-three thousand, four hundred fifty-one".