53980481569 has 9 divisors (see below), whose sum is σ = 62795513361. Its totient is φ = 46267590180.

The previous prime is 53980481549. The next prime is 53980481579. The reversal of 53980481569 is 96518408935.

The square root of 53980481569 is 232337.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 53980481569 - 2¹⁷ = 53980350497 is a prime.

It is a super-2 number, since 2×53980481569² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (53980481509) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1609764 + ... + 1642954.

Almost surely, 2^53980481569 is an apocalyptic number.

53980481569 is the 232337-th square number.

53980481569 is the 116169-th centered octagonal number.

It is an amenable number.

53980481569 is a deficient number, since it is larger than the sum of its proper divisors (8815031792).

53980481569 is an frugal number, since it uses more digits than its factorization.

53980481569 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66396 (or 33198 counting only the distinct ones).

The product of its (nonzero) digits is 9331200, while the sum is 58.

The spelling of 53980481569 in words is "fifty-three billion, nine hundred eighty million, four hundred eighty-one thousand, five hundred sixty-nine".