25755527553 has 16 divisors (see below), whose sum is σ = 39832289280. Its totient is φ = 14497780176.

The previous prime is 25755527549. The next prime is 25755527597. The reversal of 25755527553 is 35572555752.

It is not a de Polignac number, because 25755527553 - 2² = 25755527549 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 25755527496 and 25755527505.

It is not an unprimeable number, because it can be changed into a prime (25755527533) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9151233 + ... + 9154046.

It is an arithmetic number, because the mean of its divisors is an integer number (2489518080).

Almost surely, 2^25755527553 is an apocalyptic number.

It is an amenable number.

25755527553 is a deficient number, since it is larger than the sum of its proper divisors (14076761727).

25755527553 is a wasteful number, since it uses less digits than its factorization.

25755527553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18305356.

The product of its digits is 9187500, while the sum is 51.

The spelling of 25755527553 in words is "twenty-five billion, seven hundred fifty-five million, five hundred twenty-seven thousand, five hundred fifty-three".