2153598550 has 24 divisors (see below), whose sum is σ = 4060572696. Its totient is φ = 849637440.

The previous prime is 2153598547. The next prime is 2153598599. The reversal of 2153598550 is 558953512.

It is a junction number, because it is equal to n+sod(n) for n = 2153598497 and 2153598506.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 291364 + ... + 298663.

It is an arithmetic number, because the mean of its divisors is an integer number (169190529).

Almost surely, 2^2153598550 is an apocalyptic number.

2153598550 is a deficient number, since it is larger than the sum of its proper divisors (1906974146).

2153598550 is a wasteful number, since it uses less digits than its factorization.

2153598550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 590112 (or 590107 counting only the distinct ones).

The product of its (nonzero) digits is 270000, while the sum is 43.

The square root of 2153598550 is about 46406.8804165934. The cubic root of 2153598550 is about 1291.3825591349.

The spelling of 2153598550 in words is "two billion, one hundred fifty-three million, five hundred ninety-eight thousand, five hundred fifty".