25500050557993 has 8 divisors (see below), whose sum is σ = 27824777873856. Its totient is φ = 23176413392400.

The previous prime is 25500050557973. The next prime is 25500050558011. The reversal of 25500050557993 is 39975505000552.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 25500050557993 - 2¹³ = 25500050549801 is a prime.

It is a super-2 number, since 2×25500050557993² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25500050557973) 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, 272488653 + ... + 272582218.

It is an arithmetic number, because the mean of its divisors is an integer number (3478097234232).

Almost surely, 2^{25500050557993} is an apocalyptic number.

It is an amenable number.

25500050557993 is a deficient number, since it is larger than the sum of its proper divisors (2324727315863).

25500050557993 is a wasteful number, since it uses less digits than its factorization.

25500050557993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 545075135.

The product of its (nonzero) digits is 10631250, while the sum is 55.

The spelling of 25500050557993 in words is "twenty-five trillion, five hundred billion, fifty million, five hundred fifty-seven thousand, nine hundred ninety-three".