52620982566 has 32 divisors (see below), whose sum is σ = 108534943968. Its totient is φ = 16995432960.

The previous prime is 52620982553. The next prime is 52620982567. The reversal of 52620982566 is 66528902625.

It is a super-2 number, since 2×52620982566² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52620982567) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 438265 + ... + 545268.

It is an arithmetic number, because the mean of its divisors is an integer number (3391716999).

Almost surely, 2^52620982566 is an apocalyptic number.

52620982566 is an abundant number, since it is smaller than the sum of its proper divisors (55913961402).

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

52620982566 is a wasteful number, since it uses less digits than its factorization.

52620982566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 983816.

The product of its (nonzero) digits is 3110400, while the sum is 51.

The spelling of 52620982566 in words is "fifty-two billion, six hundred twenty million, nine hundred eighty-two thousand, five hundred sixty-six".