52820061331802 has 32 divisors (see below), whose sum is σ = 81445356195840. Its totient is φ = 25679134791280.

The previous prime is 52820061331769. The next prime is 52820061331837. The reversal of 52820061331802 is 20813316002825.

It is a self number, because there is not a number n which added to its sum of digits gives 52820061331802.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27500099 + ... + 29358057.

It is an arithmetic number, because the mean of its divisors is an integer number (2545167381120).

Almost surely, 2^{52820061331802} is an apocalyptic number.

52820061331802 is a deficient number, since it is larger than the sum of its proper divisors (28625294864038).

52820061331802 is a wasteful number, since it uses less digits than its factorization.

52820061331802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1859986.

The product of its (nonzero) digits is 138240, while the sum is 41.

The spelling of 52820061331802 in words is "fifty-two trillion, eight hundred twenty billion, sixty-one million, three hundred thirty-one thousand, eight hundred two".