52112021566 has 32 divisors (see below), whose sum is σ = 85651084800. Its totient is φ = 23582832000.

The previous prime is 52112021491. The next prime is 52112021567. The reversal of 52112021566 is 66512021125.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52112021567) 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, 4820235 + ... + 4831033.

It is an arithmetic number, because the mean of its divisors is an integer number (2676596400).

Almost surely, 2^52112021566 is an apocalyptic number.

52112021566 is a deficient number, since it is larger than the sum of its proper divisors (33539063234).

52112021566 is a wasteful number, since it uses less digits than its factorization.

52112021566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11760.

The product of its (nonzero) digits is 7200, while the sum is 31.

The spelling of 52112021566 in words is "fifty-two billion, one hundred twelve million, twenty-one thousand, five hundred sixty-six".