53328628445 has 16 divisors (see below), whose sum is σ = 64577580912. Its totient is φ = 42274283520.

The previous prime is 53328628433. The next prime is 53328628459. The reversal of 53328628445 is 54482682335.

53328628445 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 5613905476 + 47714722969 = 74926^2 + 218437^2 .

It is a de Polignac number, because none of the positive numbers 2^k-53328628445 is a prime.

It is a super-2 number, since 2×53328628445² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 53328628393 and 53328628402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2657369 + ... + 2677361.

It is an arithmetic number, because the mean of its divisors is an integer number (4036098807).

Almost surely, 2^53328628445 is an apocalyptic number.

It is an amenable number.

53328628445 is a deficient number, since it is larger than the sum of its proper divisors (11248952467).

53328628445 is a wasteful number, since it uses less digits than its factorization.

53328628445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24832.

The product of its digits is 5529600, while the sum is 50.

The spelling of 53328628445 in words is "fifty-three billion, three hundred twenty-eight million, six hundred twenty-eight thousand, four hundred forty-five".