5514399081 has 45 divisors (see below), whose sum is σ = 8504348391. Its totient is φ = 3560867568.

The previous prime is 5514399067. The next prime is 5514399091. The reversal of 5514399081 is 1809934155.

The square root of 5514399081 is 74259.

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

5514399081 is a `hidden beast` number, since 5 + 51 + 439 + 90 + 81 = 666.

It can be written as a sum of positive squares in only one way, i.e., 4934360025 + 580039056 = 70245^2 + 24084^2 .

It is not a de Polignac number, because 5514399081 - 2¹¹ = 5514397033 is a prime.

It is a super-2 number, since 2×5514399081² = 60817194449067289122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5514399091) by changing a digit.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 24728136 + ... + 24728358.

Almost surely, 2^5514399081 is an apocalyptic number.

5514399081 is the 74259-th square number.

5514399081 is the 37130-th centered octagonal number.

It is an amenable number.

5514399081 is a deficient number, since it is larger than the sum of its proper divisors (2989949310).

5514399081 is an frugal number, since it uses more digits than its factorization.

5514399081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 532 (or 263 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 45.

The cubic root of 5514399081 is about 1766.7132426588.

The spelling of 5514399081 in words is "five billion, five hundred fourteen million, three hundred ninety-nine thousand, eighty-one".