53206500145645 has 64 divisors (see below), whose sum is σ = 81522861391872. Its totient is φ = 32376768480000.

The previous prime is 53206500145619. The next prime is 53206500145657. The reversal of 53206500145645 is 54654100560235.

It is not a de Polignac number, because 53206500145645 - 2²⁹ = 53205963274733 is a prime.

It is a super-3 number, since 3×53206500145645³ (a number of 42 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 53206500145595 and 53206500145604.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6875109 + ... + 12396778.

It is an arithmetic number, because the mean of its divisors is an integer number (1273794709248).

Almost surely, 2^{53206500145645} is an apocalyptic number.

53206500145645 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

53206500145645 is a deficient number, since it is larger than the sum of its proper divisors (28316361246227).

53206500145645 is a wasteful number, since it uses less digits than its factorization.

53206500145645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19272082.

The product of its (nonzero) digits is 2160000, while the sum is 46.

The spelling of 53206500145645 in words is "fifty-three trillion, two hundred six billion, five hundred million, one hundred forty-five thousand, six hundred forty-five".