53344451449 has 8 divisors (see below), whose sum is σ = 53421480000. Its totient is φ = 53267456592.

The previous prime is 53344451441. The next prime is 53344451519. The reversal of 53344451449 is 94415444335.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 53344451449 - 2³ = 53344451441 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 53344451399 and 53344451408.

It is not an unprimeable number, because it can be changed into a prime (53344451441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6127902 + ... + 6136600.

It is an arithmetic number, because the mean of its divisors is an integer number (6677685000).

Almost surely, 2^53344451449 is an apocalyptic number.

It is an amenable number.

53344451449 is a deficient number, since it is larger than the sum of its proper divisors (77028551).

53344451449 is an equidigital number, since it uses as much as digits as its factorization.

53344451449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16847.

The product of its digits is 2073600, while the sum is 46.

The spelling of 53344451449 in words is "fifty-three billion, three hundred forty-four million, four hundred fifty-one thousand, four hundred forty-nine".