53623801636 has 12 divisors (see below), whose sum is σ = 93858176412. Its totient is φ = 26807179808.

The previous prime is 53623801613. The next prime is 53623801657. The reversal of 53623801636 is 63610832635.

It can be written as a sum of positive squares in 2 ways, for example, as 12997368036 + 40626433600 = 114006^2 + 201560^2 .

It is a junction number, because it is equal to n+sod(n) for n = 53623801592 and 53623801601.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1154635 + ... + 1200178.

It is an arithmetic number, because the mean of its divisors is an integer number (7821514701).

Almost surely, 2^53623801636 is an apocalyptic number.

It is an amenable number.

53623801636 is a deficient number, since it is larger than the sum of its proper divisors (40234374776).

53623801636 is a wasteful number, since it uses less digits than its factorization.

53623801636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2360510 (or 2360508 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 43.

The spelling of 53623801636 in words is "fifty-three billion, six hundred twenty-three million, eight hundred one thousand, six hundred thirty-six".