25150055 has 32 divisors (see below), whose sum is σ = 37407744. Its totient is φ = 15837696.

The previous prime is 25150051. The next prime is 25150087. The reversal of 25150055 is 55005152.

It is not a de Polignac number, because 25150055 - 2² = 25150051 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 25150055.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25150051) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25094 + ... + 26076.

It is an arithmetic number, because the mean of its divisors is an integer number (1168992).

Almost surely, 2^25150055 is an apocalyptic number.

25150055 is a deficient number, since it is larger than the sum of its proper divisors (12257689).

25150055 is a wasteful number, since it uses less digits than its factorization.

25150055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1055.

The product of its (nonzero) digits is 1250, while the sum is 23.

The square root of 25150055 is about 5014.9830508188. The cubic root of 25150055 is about 292.9856252194.

The spelling of 25150055 in words is "twenty-five million, one hundred fifty thousand, fifty-five".