25552050555 has 16 divisors (see below), whose sum is σ = 40885712640. Its totient is φ = 13626949728.

The previous prime is 25552050553. The next prime is 25552050569. The reversal of 25552050555 is 55505025552.

It is not a de Polignac number, because 25552050555 - 2¹ = 25552050553 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25552050553) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 279226 + ... + 359264.

It is an arithmetic number, because the mean of its divisors is an integer number (2555357040).

Almost surely, 2^25552050555 is an apocalyptic number.

25552050555 is a deficient number, since it is larger than the sum of its proper divisors (15333662085).

25552050555 is a wasteful number, since it uses less digits than its factorization.

25552050555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101330.

The product of its (nonzero) digits is 312500, while the sum is 39.

The spelling of 25552050555 in words is "twenty-five billion, five hundred fifty-two million, fifty thousand, five hundred fifty-five".