53633646606478 has 4 divisors (see below), whose sum is σ = 80450469909720. Its totient is φ = 26816823303238.

The previous prime is 53633646606367. The next prime is 53633646606487. The reversal of 53633646606478 is 87460664633635.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13408411651618 + ... + 13408411651621.

It is an arithmetic number, because the mean of its divisors is an integer number (20112617477430).

Almost surely, 2^{53633646606478} is an apocalyptic number.

53633646606478 is a deficient number, since it is larger than the sum of its proper divisors (26816823303242).

53633646606478 is a wasteful number, since it uses less digits than its factorization.

53633646606478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26816823303241.

The product of its (nonzero) digits is 940584960, while the sum is 67.

The spelling of 53633646606478 in words is "fifty-three trillion, six hundred thirty-three billion, six hundred forty-six million, six hundred six thousand, four hundred seventy-eight".