2155244050 has 48 divisors (see below), whose sum is σ = 4106147904. Its totient is φ = 841400000.

The previous prime is 2155244023. The next prime is 2155244057. The reversal of 2155244050 is 504425512.

It is not an unprimeable number, because it can be changed into a prime (2155244057) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 355545 + ... + 361555.

It is an arithmetic number, because the mean of its divisors is an integer number (85544748).

Almost surely, 2^2155244050 is an apocalyptic number.

2155244050 is a deficient number, since it is larger than the sum of its proper divisors (1950903854).

2155244050 is a wasteful number, since it uses less digits than its factorization.

2155244050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6195 (or 6190 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 28.

The square root of 2155244050 is about 46424.6060834123. The cubic root of 2155244050 is about 1291.7113776175.

Adding to 2155244050 its reverse (504425512), we get a palindrome (2659669562).

The spelling of 2155244050 in words is "two billion, one hundred fifty-five million, two hundred forty-four thousand, fifty".