53442544000 has 64 divisors (see below), whose sum is σ = 132871564800. Its totient is φ = 21377011200.

The previous prime is 53442543983. The next prime is 53442544007. The reversal of 53442544000 is 44524435.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×53442544000² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53442544007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1654080 + ... + 1686079.

It is an arithmetic number, because the mean of its divisors is an integer number (2076118200).

Almost surely, 2^53442544000 is an apocalyptic number.

53442544000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

53442544000 is an abundant number, since it is smaller than the sum of its proper divisors (79429020800).

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

53442544000 is an equidigital number, since it uses as much as digits as its factorization.

53442544000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3340188 (or 3340166 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 31.

The spelling of 53442544000 in words is "fifty-three billion, four hundred forty-two million, five hundred forty-four thousand".