955981538 has 6 divisors (see below), whose sum is σ = 1434037899. Its totient is φ = 477968906.

The previous prime is 955981531. The next prime is 955981567. The reversal of 955981538 is 835189559.

It can be written as a sum of positive squares in only one way, i.e., 477990769 + 477990769 = 21863^2 + 21863^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=21863.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 955981538.

It is not an unprimeable number, because it can be changed into a prime (955981531) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 32795 + ... + 54657.

Almost surely, 2^955981538 is an apocalyptic number.

955981538 is a deficient number, since it is larger than the sum of its proper divisors (478056361).

955981538 is an frugal number, since it uses more digits than its factorization.

955981538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43728 (or 21865 counting only the distinct ones).

The product of its digits is 1944000, while the sum is 53.

The square root of 955981538 is about 30918.9511141630. The cubic root of 955981538 is about 985.1064631076.

The spelling of 955981538 in words is "nine hundred fifty-five million, nine hundred eighty-one thousand, five hundred thirty-eight".