2155153532 has 24 divisors (see below), whose sum is σ = 4313354976. Its totient is φ = 922984128.

The previous prime is 2155153513. The next prime is 2155153543. The reversal of 2155153532 is 2353515512.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14198 + ... + 67170.

It is an arithmetic number, because the mean of its divisors is an integer number (179723124).

Almost surely, 2^2155153532 is an apocalyptic number.

It is an amenable number.

2155153532 is an abundant number, since it is smaller than the sum of its proper divisors (2158201444).

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

2155153532 is a wasteful number, since it uses less digits than its factorization.

2155153532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54437 (or 54435 counting only the distinct ones).

The product of its digits is 22500, while the sum is 32.

The square root of 2155153532 is about 46423.6311806821. The cubic root of 2155153532 is about 1291.6932938546.

The spelling of 2155153532 in words is "two billion, one hundred fifty-five million, one hundred fifty-three thousand, five hundred thirty-two".