53144520056 has 16 divisors (see below), whose sum is σ = 99783050640. Its totient is φ = 26535706560.

The previous prime is 53144520049. The next prime is 53144520083. The reversal of 53144520056 is 65002544135.

53144520056 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 53144519998 and 53144520025.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4563005 + ... + 4574636.

It is an arithmetic number, because the mean of its divisors is an integer number (6236440665).

Almost surely, 2^53144520056 is an apocalyptic number.

It is an amenable number.

53144520056 is a deficient number, since it is larger than the sum of its proper divisors (46638530584).

53144520056 is a wasteful number, since it uses less digits than its factorization.

53144520056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9138374 (or 9138370 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 35.

The spelling of 53144520056 in words is "fifty-three billion, one hundred forty-four million, five hundred twenty thousand, fifty-six".