53132120444 has 24 divisors (see below), whose sum is σ = 102462304560. Its totient is φ = 23952225024.

The previous prime is 53132120383. The next prime is 53132120449. The reversal of 53132120444 is 44402123135.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53132120449) 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, 11878829 + ... + 11883300.

It is an arithmetic number, because the mean of its divisors is an integer number (4269262690).

Almost surely, 2^53132120444 is an apocalyptic number.

It is an amenable number.

53132120444 is a deficient number, since it is larger than the sum of its proper divisors (49330184116).

53132120444 is a wasteful number, since it uses less digits than its factorization.

53132120444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23762189 (or 23762187 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 29.

Adding to 53132120444 its reverse (44402123135), we get a palindrome (97534243579).

The spelling of 53132120444 in words is "fifty-three billion, one hundred thirty-two million, one hundred twenty thousand, four hundred forty-four".