53504554254451 has 2 divisors, whose sum is σ = 53504554254452. Its totient is φ = 53504554254450.

The previous prime is 53504554254449. The next prime is 53504554254511. The reversal of 53504554254451 is 15445245540535.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 53504554254451 - 2¹ = 53504554254449 is a prime.

It is a super-2 number, since 2×53504554254451² (a number of 28 digits) contains 22 as substring.

Together with 53504554254449, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (53504554254421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26752277127225 + 26752277127226.

It is an arithmetic number, because the mean of its divisors is an integer number (26752277127226).

Almost surely, 2^{53504554254451} is an apocalyptic number.

53504554254451 is a deficient number, since it is larger than the sum of its proper divisors (1).

53504554254451 is an equidigital number, since it uses as much as digits as its factorization.

53504554254451 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24000000, while the sum is 52.

Adding to 53504554254451 its reverse (15445245540535), we get a palindrome (68949799794986).

The spelling of 53504554254451 in words is "fifty-three trillion, five hundred four billion, five hundred fifty-four million, two hundred fifty-four thousand, four hundred fifty-one".