53640244827 has 12 divisors (see below), whose sum is σ = 83440381024. Its totient is φ = 33009381360.

The previous prime is 53640244813. The next prime is 53640244837. The reversal of 53640244827 is 72844204635.

It is a happy number.

It is not a de Polignac number, because 53640244827 - 2²³ = 53631856219 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53640244837) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 229231699 + ... + 229231932.

Almost surely, 2^53640244827 is an apocalyptic number.

53640244827 is a deficient number, since it is larger than the sum of its proper divisors (29800136197).

53640244827 is a wasteful number, since it uses less digits than its factorization.

53640244827 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 458463650 (or 458463647 counting only the distinct ones).

The product of its (nonzero) digits is 1290240, while the sum is 45.

The spelling of 53640244827 in words is "fifty-three billion, six hundred forty million, two hundred forty-four thousand, eight hundred twenty-seven".