2122503550 has 48 divisors (see below), whose sum is σ = 4269101760. Its totient is φ = 782044160.

The previous prime is 2122503541. The next prime is 2122503569. The reversal of 2122503550 is 553052212.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13386 + ... + 66514.

It is an arithmetic number, because the mean of its divisors is an integer number (88939620).

Almost surely, 2^2122503550 is an apocalyptic number.

2122503550 is an abundant number, since it is smaller than the sum of its proper divisors (2146598210).

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

2122503550 is a wasteful number, since it uses less digits than its factorization.

2122503550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53205 (or 53200 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 2122503550 is about 46070.6365269680. The cubic root of 2122503550 is about 1285.1371411112.

Adding to 2122503550 its reverse (553052212), we get a palindrome (2675555762).

The spelling of 2122503550 in words is "two billion, one hundred twenty-two million, five hundred three thousand, five hundred fifty".