53030449044 has 36 divisors (see below), whose sum is σ = 134130240244. Its totient is φ = 17666128512.

The previous prime is 53030449027. The next prime is 53030449049. The reversal of 53030449044 is 44094403035.

It is a happy number.

53030449044 is a `hidden beast` number, since 530 + 30 + 4 + 4 + 90 + 4 + 4 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 34983213444 + 18047235600 = 187038^2 + 134340^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53030449049) 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 11 ways as a sum of consecutive naturals, for example, 384847 + ... + 504150.

Almost surely, 2^53030449044 is an apocalyptic number.

It is an amenable number.

53030449044 is an abundant number, since it is smaller than the sum of its proper divisors (81099791200).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53030449044 is a wasteful number, since it uses less digits than its factorization.

53030449044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 890664 (or 890659 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 36.

The spelling of 53030449044 in words is "fifty-three billion, thirty million, four hundred forty-nine thousand, forty-four".