25054464056 has 8 divisors (see below), whose sum is σ = 46977120120. Its totient is φ = 12527232024.

The previous prime is 25054464037. The next prime is 25054464103. The reversal of 25054464056 is 65046445052.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×25054464056² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1565903996 + ... + 1565904011.

It is an arithmetic number, because the mean of its divisors is an integer number (5872140015).

Almost surely, 2^25054464056 is an apocalyptic number.

It is an amenable number.

25054464056 is a deficient number, since it is larger than the sum of its proper divisors (21922656064).

25054464056 is a wasteful number, since it uses less digits than its factorization.

25054464056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3131808013 (or 3131808009 counting only the distinct ones).

The product of its (nonzero) digits is 576000, while the sum is 41.

The spelling of 25054464056 in words is "twenty-five billion, fifty-four million, four hundred sixty-four thousand, fifty-six".