52217662257 has 48 divisors (see below), whose sum is σ = 80334596160. Its totient is φ = 33881976000.

The previous prime is 52217662249. The next prime is 52217662271. The reversal of 52217662257 is 75226671225.

52217662257 is a `hidden beast` number, since 5 + 2 + 2 + 17 + 6 + 622 + 5 + 7 = 666.

It is not a de Polignac number, because 52217662257 - 2³ = 52217662249 is a prime.

It is a super-2 number, since 2×52217662257² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (52217662957) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1430007 + ... + 1466067.

It is an arithmetic number, because the mean of its divisors is an integer number (1673637420).

Almost surely, 2^52217662257 is an apocalyptic number.

It is an amenable number.

52217662257 is a deficient number, since it is larger than the sum of its proper divisors (28116933903).

52217662257 is a wasteful number, since it uses less digits than its factorization.

52217662257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36236 (or 36224 counting only the distinct ones).

The product of its digits is 705600, while the sum is 45.

The spelling of 52217662257 in words is "fifty-two billion, two hundred seventeen million, six hundred sixty-two thousand, two hundred fifty-seven".