25005553055 has 32 divisors (see below), whose sum is σ = 34497792000. Its totient is φ = 17044699392.

The previous prime is 25005553051. The next prime is 25005553081. The reversal of 25005553055 is 55035550052.

It is not a de Polignac number, because 25005553055 - 2² = 25005553051 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25005553051) 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, 5376371 + ... + 5381019.

It is an arithmetic number, because the mean of its divisors is an integer number (1078056000).

Almost surely, 2^25005553055 is an apocalyptic number.

25005553055 is a deficient number, since it is larger than the sum of its proper divisors (9492238945).

25005553055 is a wasteful number, since it uses less digits than its factorization.

25005553055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5543.

The product of its (nonzero) digits is 93750, while the sum is 35.

It can be divided in two parts, 2500 and 5553055, that added together give a palindrome (5555555).

The spelling of 25005553055 in words is "twenty-five billion, five million, five hundred fifty-three thousand, fifty-five".