2155650600 has 48 divisors (see below), whose sum is σ = 6682518720. Its totient is φ = 574840000.

The previous prime is 2155650583. The next prime is 2155650737. The reversal of 2155650600 is 60565512.

It is a super-3 number, since 3×2155650600³ (a number of 29 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1795776 + ... + 1796975.

It is an arithmetic number, because the mean of its divisors is an integer number (139219140).

Almost surely, 2^2155650600 is an apocalyptic number.

2155650600 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2155650600 is an abundant number, since it is smaller than the sum of its proper divisors (4526868120).

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

2155650600 is a wasteful number, since it uses less digits than its factorization.

2155650600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3592770 (or 3592761 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 30.

The square root of 2155650600 is about 46428.9844816791. The cubic root of 2155650600 is about 1291.7925922785.

The spelling of 2155650600 in words is "two billion, one hundred fifty-five million, six hundred fifty thousand, six hundred".