53306505645 has 8 divisors (see below), whose sum is σ = 85290409056. Its totient is φ = 28430136336.

The previous prime is 53306505641. The next prime is 53306505649. The reversal of 53306505645 is 54650560335.

53306505645 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (53306505641) and next prime (53306505649).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 53306505645 - 2² = 53306505641 is a prime.

It is a super-3 number, since 3×53306505645³ (a number of 33 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 53306505597 and 53306505606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53306505641) 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, 1776883507 + ... + 1776883536.

It is an arithmetic number, because the mean of its divisors is an integer number (10661301132).

Almost surely, 2^53306505645 is an apocalyptic number.

It is an amenable number.

53306505645 is a deficient number, since it is larger than the sum of its proper divisors (31983903411).

53306505645 is a wasteful number, since it uses less digits than its factorization.

53306505645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3553767051.

The product of its (nonzero) digits is 810000, while the sum is 42.

The spelling of 53306505645 in words is "fifty-three billion, three hundred six million, five hundred five thousand, six hundred forty-five".