53816517590 has 64 divisors (see below), whose sum is σ = 108732492288. Its totient is φ = 19007865600.

The previous prime is 53816517563. The next prime is 53816517613. The reversal of 53816517590 is 9571561835.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 997487 + ... + 1050053.

It is an arithmetic number, because the mean of its divisors is an integer number (1698945192).

Almost surely, 2^53816517590 is an apocalyptic number.

53816517590 is an abundant number, since it is smaller than the sum of its proper divisors (54915974698).

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

53816517590 is a wasteful number, since it uses less digits than its factorization.

53816517590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52853.

The product of its (nonzero) digits is 1134000, while the sum is 50.

The spelling of 53816517590 in words is "fifty-three billion, eight hundred sixteen million, five hundred seventeen thousand, five hundred ninety".