2155533102 has 24 divisors (see below), whose sum is σ = 4679930736. Its totient is φ = 717032736.

The previous prime is 2155533073. The next prime is 2155533119. The reversal of 2155533102 is 2013355512.

It is a happy number.

2155533102 is a `hidden beast` number, since 2 + 1 + 5 + 553 + 3 + 102 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 114183 + ... + 131714.

It is an arithmetic number, because the mean of its divisors is an integer number (194997114).

Almost surely, 2^2155533102 is an apocalyptic number.

2155533102 is an abundant number, since it is smaller than the sum of its proper divisors (2524397634).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2155533102 is a wasteful number, since it uses less digits than its factorization.

2155533102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246392 (or 246389 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 27.

The square root of 2155533102 is about 46427.7191126163. The cubic root of 2155533102 is about 1291.7691212818.

Adding to 2155533102 its reverse (2013355512), we get a palindrome (4168888614).

The spelling of 2155533102 in words is "two billion, one hundred fifty-five million, five hundred thirty-three thousand, one hundred two".