2153504050 has 12 divisors (see below), whose sum is σ = 4005517626. Its totient is φ = 861401600.

The previous prime is 2153504047. The next prime is 2153504057. The reversal of 2153504050 is 504053512.

It can be written as a sum of positive squares in 3 ways, for example, as 2091141441 + 62362609 = 45729^2 + 7897^2 .

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

It is not an unprimeable number, because it can be changed into a prime (2153504057) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 21534991 + ... + 21535090.

Almost surely, 2^2153504050 is an apocalyptic number.

2153504050 is a deficient number, since it is larger than the sum of its proper divisors (1852013576).

2153504050 is a wasteful number, since it uses less digits than its factorization.

2153504050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43070093 (or 43070088 counting only the distinct ones).

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

The square root of 2153504050 is about 46405.8622374372. The cubic root of 2153504050 is about 1291.3636702173.

Adding to 2153504050 its reverse (504053512), we get a palindrome (2657557562).

The spelling of 2153504050 in words is "two billion, one hundred fifty-three million, five hundred four thousand, fifty".