53643827225 has 12 divisors (see below), whose sum is σ = 66556216320. Its totient is φ = 42890629200.

The previous prime is 53643827207. The next prime is 53643827231. The reversal of 53643827225 is 52272834635.

It is not a de Polignac number, because 53643827225 - 2⁶ = 53643827161 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 53643827225.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 565961 + ... + 653910.

It is an arithmetic number, because the mean of its divisors is an integer number (5546351360).

Almost surely, 2^53643827225 is an apocalyptic number.

It is an amenable number.

53643827225 is a deficient number, since it is larger than the sum of its proper divisors (12912389095).

53643827225 is a wasteful number, since it uses less digits than its factorization.

53643827225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1221640 (or 1221635 counting only the distinct ones).

The product of its digits is 2419200, while the sum is 47.

The spelling of 53643827225 in words is "fifty-three billion, six hundred forty-three million, eight hundred twenty-seven thousand, two hundred twenty-five".