25553055 has 32 divisors (see below), whose sum is σ = 44851968. Its totient is φ = 12320000.

The previous prime is 25553027. The next prime is 25553071. The reversal of 25553055 is 55035552.

It is not a de Polignac number, because 25553055 - 2¹⁷ = 25421983 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 41107 + ... + 41723.

It is an arithmetic number, because the mean of its divisors is an integer number (1401624).

Almost surely, 2^25553055 is an apocalyptic number.

25553055 is a deficient number, since it is larger than the sum of its proper divisors (19298913).

25553055 is a wasteful number, since it uses less digits than its factorization.

25553055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 887.

The product of its (nonzero) digits is 18750, while the sum is 30.

The square root of 25553055 is about 5055.0029673582. The cubic root of 25553055 is about 294.5422566802.

Subtracting from 25553055 its sum of digits (30), we obtain a square (25553025 = 5055²).

The spelling of 25553055 in words is "twenty-five million, five hundred fifty-three thousand, fifty-five".