5514393981 has 8 divisors (see below), whose sum is σ = 7361616960. Its totient is φ = 3671716832.

The previous prime is 5514393971. The next prime is 5514394009. The reversal of 5514393981 is 1893934155.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5514393981 - 2¹⁴ = 5514377597 is a prime.

It is a super-2 number, since 2×5514393981² = 60817081955378056722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 5514393981.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5514393931) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1133625 + ... + 1138478.

It is an arithmetic number, because the mean of its divisors is an integer number (920202120).

Almost surely, 2^5514393981 is an apocalyptic number.

It is an amenable number.

5514393981 is a deficient number, since it is larger than the sum of its proper divisors (1847222979).

5514393981 is a wasteful number, since it uses less digits than its factorization.

5514393981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2272915.

The product of its digits is 583200, while the sum is 48.

The square root of 5514393981 is about 74258.9656607201. The cubic root of 5514393981 is about 1766.7126980095.

The spelling of 5514393981 in words is "five billion, five hundred fourteen million, three hundred ninety-three thousand, nine hundred eighty-one".