53664510226440 has 64 divisors (see below), whose sum is σ = 161321419920960. Its totient is φ = 14281390350080.

The previous prime is 53664510226409. The next prime is 53664510226501. The reversal of 53664510226440 is 4462201546635.

It is a self number, because there is not a number n which added to its sum of digits gives 53664510226440.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 455342559 + ... + 455460398.

It is an arithmetic number, because the mean of its divisors is an integer number (2520647186265).

Almost surely, 2^{53664510226440} is an apocalyptic number.

It is an amenable number.

53664510226440 is an abundant number, since it is smaller than the sum of its proper divisors (107656909694520).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53664510226440 is a wasteful number, since it uses less digits than its factorization.

53664510226440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 910803462 (or 910803458 counting only the distinct ones).

The product of its (nonzero) digits is 4147200, while the sum is 48.

The spelling of 53664510226440 in words is "fifty-three trillion, six hundred sixty-four billion, five hundred ten million, two hundred twenty-six thousand, four hundred forty".