25545454552 has 48 divisors (see below), whose sum is σ = 50769636840. Its totient is φ = 12048227712.

The previous prime is 25545454541. The next prime is 25545454573.

25545454552 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 653923 + ... + 691885.

Almost surely, 2^25545454552 is an apocalyptic number.

It is an amenable number.

25545454552 is a deficient number, since it is larger than the sum of its proper divisors (25224182288).

25545454552 is a wasteful number, since it uses less digits than its factorization.

25545454552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38240 (or 38217 counting only the distinct ones).

The product of its digits is 4000000, while the sum is 46.

The spelling of 25545454552 in words is "twenty-five billion, five hundred forty-five million, four hundred fifty-four thousand, five hundred fifty-two".