25550500224 has 64 divisors (see below), whose sum is σ = 67915794240. Its totient is φ = 8510900736.

The previous prime is 25550500219. The next prime is 25550500229. The reversal of 25550500224 is 42200505552.

It is an interprime number because it is at equal distance from previous prime (25550500219) and next prime (25550500229).

It is a tau number, because it is divible by the number of its divisors (64).

It is a junction number, because it is equal to n+sod(n) for n = 25550500191 and 25550500200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25550500229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 547039 + ... + 591905.

It is an arithmetic number, because the mean of its divisors is an integer number (1061184285).

Almost surely, 2^25550500224 is an apocalyptic number.

25550500224 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

25550500224 is an abundant number, since it is smaller than the sum of its proper divisors (42365294016).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25550500224 is a wasteful number, since it uses less digits than its factorization.

25550500224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46367 (or 46355 counting only the distinct ones).

The product of its (nonzero) digits is 20000, while the sum is 30.

The spelling of 25550500224 in words is "twenty-five billion, five hundred fifty million, five hundred thousand, two hundred twenty-four".