25552555300550 has 48 divisors (see below), whose sum is σ = 48054012752592. Its totient is φ = 10108380547200.

The previous prime is 25552555300513. The next prime is 25552555300631. The reversal of 25552555300550 is 5500355525552.

It is a junction number, because it is equal to n+sod(n) for n = 25552555300495 and 25552555300504.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4738109 + ... + 8576408.

It is an arithmetic number, because the mean of its divisors is an integer number (1001125265679).

Almost surely, 2^{25552555300550} is an apocalyptic number.

25552555300550 is a deficient number, since it is larger than the sum of its proper divisors (22501457452042).

25552555300550 is a wasteful number, since it uses less digits than its factorization.

25552555300550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13314953 (or 13314948 counting only the distinct ones).

The product of its (nonzero) digits is 4687500, while the sum is 47.

The spelling of 25552555300550 in words is "twenty-five trillion, five hundred fifty-two billion, five hundred fifty-five million, three hundred thousand, five hundred fifty".