25553200454 has 16 divisors (see below), whose sum is σ = 38522610720. Its totient is φ = 12712449600.

The previous prime is 25553200423. The next prime is 25553200493. The reversal of 25553200454 is 45400235552.

It is a super-2 number, since 2×25553200454² (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 (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 406754 + ... + 465354.

It is an arithmetic number, because the mean of its divisors is an integer number (2407663170).

Almost surely, 2^25553200454 is an apocalyptic number.

25553200454 is a deficient number, since it is larger than the sum of its proper divisors (12969410266).

25553200454 is a wasteful number, since it uses less digits than its factorization.

25553200454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59695.

The product of its (nonzero) digits is 120000, while the sum is 35.

The spelling of 25553200454 in words is "twenty-five billion, five hundred fifty-three million, two hundred thousand, four hundred fifty-four".