53326543545 has 24 divisors (see below), whose sum is σ = 100835646912. Its totient is φ = 25855293600.

The previous prime is 53326543537. The next prime is 53326543559. The reversal of 53326543545 is 54534562335.

53326543545 is a `hidden beast` number, since 5 + 3 + 3 + 2 + 65 + 43 + 545 = 666.

53326543545 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 53326543545 - 2³ = 53326543537 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 53326543545.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 53864701 + ... + 53865690.

It is an arithmetic number, because the mean of its divisors is an integer number (4201485288).

Almost surely, 2^53326543545 is an apocalyptic number.

53326543545 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

53326543545 is a deficient number, since it is larger than the sum of its proper divisors (47509103367).

53326543545 is a wasteful number, since it uses less digits than its factorization.

53326543545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107730413 (or 107730410 counting only the distinct ones).

The product of its digits is 3240000, while the sum is 45.

The spelling of 53326543545 in words is "fifty-three billion, three hundred twenty-six million, five hundred forty-three thousand, five hundred forty-five".