53449497029 has 16 divisors (see below), whose sum is σ = 55938804096. Its totient is φ = 51026976000.

The previous prime is 53449497019. The next prime is 53449497077. The reversal of 53449497029 is 92079494435.

It is a cyclic number.

It is not a de Polignac number, because 53449497029 - 2⁸ = 53449496773 is a prime.

It is a Smith number, since the sum of its digits (56) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53449497019) 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 15 ways as a sum of consecutive naturals, for example, 350369 + ... + 479225.

It is an arithmetic number, because the mean of its divisors is an integer number (3496175256).

Almost surely, 2^53449497029 is an apocalyptic number.

It is an amenable number.

53449497029 is a deficient number, since it is larger than the sum of its proper divisors (2489307067).

53449497029 is a wasteful number, since it uses less digits than its factorization.

53449497029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129116.

The product of its (nonzero) digits is 9797760, while the sum is 56.

The spelling of 53449497029 in words is "fifty-three billion, four hundred forty-nine million, four hundred ninety-seven thousand, twenty-nine".