25055055 has 16 divisors (see below), whose sum is σ = 44542560. Its totient is φ = 13362624.

The previous prime is 25055033. The next prime is 25055077. The reversal of 25055055 is 55055052.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (25055033) and next prime (25055077).

It is not a de Polignac number, because 25055055 - 2¹⁰ = 25054031 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 92662 + ... + 92931.

It is an arithmetic number, because the mean of its divisors is an integer number (2783910).

Almost surely, 2^25055055 is an apocalyptic number.

25055055 is a deficient number, since it is larger than the sum of its proper divisors (19487505).

25055055 is a wasteful number, since it uses less digits than its factorization.

25055055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185607 (or 185601 counting only the distinct ones).

The product of its (nonzero) digits is 6250, while the sum is 27.

The square root of 25055055 is about 5005.5024722799. The cubic root of 25055055 is about 292.6162588474.

The spelling of 25055055 in words is "twenty-five million, fifty-five thousand, fifty-five".