2533155444550 has 12 divisors (see below), whose sum is σ = 4711669126956. Its totient is φ = 1013262177800.

The previous prime is 2533155444541. The next prime is 2533155444557. The reversal of 2533155444550 is 554445513352.

It is a self number, because there is not a number n which added to its sum of digits gives 2533155444550.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2533155444557) 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, 25331554396 + ... + 25331554495.

It is an arithmetic number, because the mean of its divisors is an integer number (392639093913).

Almost surely, 2^{2533155444550} is an apocalyptic number.

2533155444550 is a deficient number, since it is larger than the sum of its proper divisors (2178513682406).

2533155444550 is a wasteful number, since it uses less digits than its factorization.

2533155444550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50663108903 (or 50663108898 counting only the distinct ones).

The product of its (nonzero) digits is 3600000, while the sum is 46.

The spelling of 2533155444550 in words is "two trillion, five hundred thirty-three billion, one hundred fifty-five million, four hundred forty-four thousand, five hundred fifty".