25545054552 has 32 divisors (see below), whose sum is σ = 64000596480. Its totient is φ = 8496623520.

The previous prime is 25545054547. The next prime is 25545054599.

It is a happy number.

25545054552 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 7 ways as a sum of consecutive naturals, for example, 1138324 + ... + 1160547.

It is an arithmetic number, because the mean of its divisors is an integer number (2000018640).

Almost surely, 2^25545054552 is an apocalyptic number.

It is an amenable number.

25545054552 is an abundant number, since it is smaller than the sum of its proper divisors (38455541928).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25545054552 is a wasteful number, since it uses less digits than its factorization.

25545054552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2299343 (or 2299339 counting only the distinct ones).

The product of its (nonzero) digits is 1000000, while the sum is 42.

The spelling of 25545054552 in words is "twenty-five billion, five hundred forty-five million, fifty-four thousand, five hundred fifty-two".