52171904353662 has 48 divisors (see below), whose sum is σ = 114471221941440. Its totient is φ = 17170317043776.

The previous prime is 52171904353649. The next prime is 52171904353663. The reversal of 52171904353662 is 26635340917125.

52171904353662 is a `hidden beast` number, since 5 + 2 + 1 + 7 + 1 + 9 + 0 + 43 + 536 + 62 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 52171904353599 and 52171904353608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52171904353663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 221425588 + ... + 221661080.

It is an arithmetic number, because the mean of its divisors is an integer number (2384817123780).

Almost surely, 2^{52171904353662} is an apocalyptic number.

52171904353662 is an abundant number, since it is smaller than the sum of its proper divisors (62299317587778).

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

52171904353662 is a wasteful number, since it uses less digits than its factorization.

52171904353662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391377 (or 391374 counting only the distinct ones).

The product of its (nonzero) digits is 8164800, while the sum is 54.

The spelling of 52171904353662 in words is "fifty-two trillion, one hundred seventy-one billion, nine hundred four million, three hundred fifty-three thousand, six hundred sixty-two".