53051066553 has 32 divisors (see below), whose sum is σ = 74259680256. Its totient is φ = 33624164288.

The previous prime is 53051066513. The next prime is 53051066561. The reversal of 53051066553 is 35566015035.

It is a cyclic number.

It is not a de Polignac number, because 53051066553 - 2²¹ = 53048969401 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (53051066513) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10601350 + ... + 10606352.

It is an arithmetic number, because the mean of its divisors is an integer number (2320615008).

Almost surely, 2^53051066553 is an apocalyptic number.

It is an amenable number.

53051066553 is a deficient number, since it is larger than the sum of its proper divisors (21208613703).

53051066553 is a wasteful number, since it uses less digits than its factorization.

53051066553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5933.

The product of its (nonzero) digits is 202500, while the sum is 39.

The spelling of 53051066553 in words is "fifty-three billion, fifty-one million, sixty-six thousand, five hundred fifty-three".