25552530028 has 12 divisors (see below), whose sum is σ = 44736310080. Its totient is φ = 12770727152.

The previous prime is 25552530001. The next prime is 25552530071. The reversal of 25552530028 is 82003525552.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1374076 + ... + 1392547.

It is an arithmetic number, because the mean of its divisors is an integer number (3728025840).

Almost surely, 2^25552530028 is an apocalyptic number.

It is an amenable number.

25552530028 is a deficient number, since it is larger than the sum of its proper divisors (19183780052).

25552530028 is a wasteful number, since it uses less digits than its factorization.

25552530028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2768936 (or 2768934 counting only the distinct ones).

The product of its (nonzero) digits is 120000, while the sum is 37.

The spelling of 25552530028 in words is "twenty-five billion, five hundred fifty-two million, five hundred thirty thousand, twenty-eight".