25585058552 has 64 divisors (see below), whose sum is σ = 49004352000. Its totient is φ = 12520924416.

The previous prime is 25585058519. The next prime is 25585058557.

25585058552 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×25585058552² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 25585058552.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25585058557) 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, 46773143 + ... + 46773689.

It is an arithmetic number, because the mean of its divisors is an integer number (765693000).

Almost surely, 2^25585058552 is an apocalyptic number.

It is an amenable number.

25585058552 is a deficient number, since it is larger than the sum of its proper divisors (23419293448).

25585058552 is a wasteful number, since it uses less digits than its factorization.

25585058552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1188 (or 1184 counting only the distinct ones).

The product of its (nonzero) digits is 4000000, while the sum is 50.

The spelling of 25585058552 in words is "twenty-five billion, five hundred eighty-five million, fifty-eight thousand, five hundred fifty-two".