5531378965 has 48 divisors (see below), whose sum is σ = 7868714112. Its totient is φ = 3721044096.

The previous prime is 5531378959. The next prime is 5531378969. The reversal of 5531378965 is 5698731355.

It is not a de Polignac number, because 5531378965 - 2⁷ = 5531378837 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5531378969) 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, 5203024 + ... + 5204086.

It is an arithmetic number, because the mean of its divisors is an integer number (163931544).

Almost surely, 2^5531378965 is an apocalyptic number.

It is an amenable number.

5531378965 is a deficient number, since it is larger than the sum of its proper divisors (2337335147).

5531378965 is a wasteful number, since it uses less digits than its factorization.

5531378965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1466 (or 1459 counting only the distinct ones).

The product of its digits is 3402000, while the sum is 52.

The square root of 5531378965 is about 74373.2409203740. The cubic root of 5531378965 is about 1768.5247333636.

The spelling of 5531378965 in words is "five billion, five hundred thirty-one million, three hundred seventy-eight thousand, nine hundred sixty-five".