25505755 has 8 divisors (see below), whose sum is σ = 33389424. Its totient is φ = 18549600.

The previous prime is 25505723. The next prime is 25505783. The reversal of 25505755 is 55750552.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 25505755 - 2⁵ = 25505723 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 25505755.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 231816 + ... + 231925.

It is an arithmetic number, because the mean of its divisors is an integer number (4173678).

Almost surely, 2^25505755 is an apocalyptic number.

25505755 is a deficient number, since it is larger than the sum of its proper divisors (7883669).

25505755 is a wasteful number, since it uses less digits than its factorization.

25505755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 463757.

The product of its (nonzero) digits is 43750, while the sum is 34.

The square root of 25505755 is about 5050.3222669450. The cubic root of 25505755 is about 294.3604068808.

The spelling of 25505755 in words is "twenty-five million, five hundred five thousand, seven hundred fifty-five".