53384442049 has 16 divisors (see below), whose sum is σ = 57266680320. Its totient is φ = 49585236480.

The previous prime is 53384442029. The next prime is 53384442053. The reversal of 53384442049 is 94024448335.

It is a cyclic number.

It is not a de Polignac number, because 53384442049 - 2⁵ = 53384442017 is a prime.

It is a super-3 number, since 3×53384442049³ (a number of 33 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53384442029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3353589 + ... + 3369469.

It is an arithmetic number, because the mean of its divisors is an integer number (3579167520).

Almost surely, 2^53384442049 is an apocalyptic number.

It is an amenable number.

53384442049 is a deficient number, since it is larger than the sum of its proper divisors (3882238271).

53384442049 is a wasteful number, since it uses less digits than its factorization.

53384442049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18480.

The product of its (nonzero) digits is 1658880, while the sum is 46.

The spelling of 53384442049 in words is "fifty-three billion, three hundred eighty-four million, four hundred forty-two thousand, forty-nine".