2955538521 has 48 divisors (see below), whose sum is σ = 4872504000. Its totient is φ = 1711310976.

The previous prime is 2955538489. The next prime is 2955538529. The reversal of 2955538521 is 1258355592.

It is a happy number.

2955538521 is a `hidden beast` number, since 2 + 95 + 5 + 5 + 38 + 521 = 666.

It is not a de Polignac number, because 2955538521 - 2⁵ = 2955538489 is a prime.

It is a super-2 number, since 2×2955538521² = 17470415898229734882, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2955538529) 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, 326766 + ... + 335688.

It is an arithmetic number, because the mean of its divisors is an integer number (101510500).

Almost surely, 2^2955538521 is an apocalyptic number.

It is an amenable number.

2955538521 is a deficient number, since it is larger than the sum of its proper divisors (1916965479).

2955538521 is a wasteful number, since it uses less digits than its factorization.

2955538521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9110 (or 9107 counting only the distinct ones).

The product of its digits is 540000, while the sum is 45.

The square root of 2955538521 is about 54364.8647657658. The cubic root of 2955538521 is about 1435.0891292922.

The spelling of 2955538521 in words is "two billion, nine hundred fifty-five million, five hundred thirty-eight thousand, five hundred twenty-one".