53521777514706 has 16 divisors (see below), whose sum is σ = 109532940030624. Its totient is φ = 17425695004704.

The previous prime is 53521777514683. The next prime is 53521777514717. The reversal of 53521777514706 is 60741577712535.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 53521777514706.

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 7 ways as a sum of consecutive naturals, for example, 103724374771 + ... + 103724375286.

It is an arithmetic number, because the mean of its divisors is an integer number (6845808751914).

Almost surely, 2^{53521777514706} is an apocalyptic number.

53521777514706 is an abundant number, since it is smaller than the sum of its proper divisors (56011162515918).

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

53521777514706 is a wasteful number, since it uses less digits than its factorization.

53521777514706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207448750105.

The product of its (nonzero) digits is 43218000, while the sum is 60.

The spelling of 53521777514706 in words is "fifty-three trillion, five hundred twenty-one billion, seven hundred seventy-seven million, five hundred fourteen thousand, seven hundred six".