25550545554200 has 48 divisors (see below), whose sum is σ = 59407321359960. Its totient is φ = 10219822016000.

The previous prime is 25550545554199. The next prime is 25550545554223. The reversal of 25550545554200 is 245554505552.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2722880 + ... + 7649520.

Almost surely, 2^{25550545554200} is an apocalyptic number.

25550545554200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25550545554200 is an abundant number, since it is smaller than the sum of its proper divisors (33856775805760).

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

25550545554200 is a wasteful number, since it uses less digits than its factorization.

25550545554200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4952588 (or 4952579 counting only the distinct ones).

The product of its (nonzero) digits is 5000000, while the sum is 47.

The spelling of 25550545554200 in words is "twenty-five trillion, five hundred fifty billion, five hundred forty-five million, five hundred fifty-four thousand, two hundred".