25555002548 has 48 divisors (see below), whose sum is σ = 48240287424. Its totient is φ = 11801187840.

The previous prime is 25555002533. The next prime is 25555002553. The reversal of 25555002548 is 84520055552.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1830611 + ... + 1844517.

It is an arithmetic number, because the mean of its divisors is an integer number (1005005988).

Almost surely, 2^25555002548 is an apocalyptic number.

It is an amenable number.

25555002548 is a deficient number, since it is larger than the sum of its proper divisors (22685284876).

25555002548 is a wasteful number, since it uses less digits than its factorization.

25555002548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14432 (or 14430 counting only the distinct ones).

The product of its (nonzero) digits is 400000, while the sum is 41.

The spelling of 25555002548 in words is "twenty-five billion, five hundred fifty-five million, two thousand, five hundred forty-eight".