25552552697 has 8 divisors (see below), whose sum is σ = 29203921152. Its totient is φ = 21901435200.

The previous prime is 25552552691. The next prime is 25552552699. The reversal of 25552552697 is 79625525552.

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 25552552697 - 2²⁶ = 25485443833 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25552552691) 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, 281072 + ... + 360702.

It is an arithmetic number, because the mean of its divisors is an integer number (3650490144).

Almost surely, 2^25552552697 is an apocalyptic number.

It is an amenable number.

25552552697 is a deficient number, since it is larger than the sum of its proper divisors (3651368455).

25552552697 is an equidigital number, since it uses as much as digits as its factorization.

25552552697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125479.

The product of its digits is 9450000, while the sum is 53.

The spelling of 25552552697 in words is "twenty-five billion, five hundred fifty-two million, five hundred fifty-two thousand, six hundred ninety-seven".