25542424553 has 8 divisors (see below), whose sum is σ = 25574320800. Its totient is φ = 25510549248.

The previous prime is 25542424547. The next prime is 25542424573. The reversal of 25542424553 is 35542424552.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 25542424553 - 2¹⁴ = 25542408169 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 25542424553.

It is not an unprimeable number, because it can be changed into a prime (25542424513) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4583753 + ... + 4589321.

It is an arithmetic number, because the mean of its divisors is an integer number (3196790100).

Almost surely, 2^25542424553 is an apocalyptic number.

It is an amenable number.

25542424553 is a deficient number, since it is larger than the sum of its proper divisors (31896247).

25542424553 is a wasteful number, since it uses less digits than its factorization.

25542424553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10471.

The product of its digits is 960000, while the sum is 41.

Subtracting 25542424553 from its reverse (35542424552), we obtain a palindrome (9999999999).

The spelling of 25542424553 in words is "twenty-five billion, five hundred forty-two million, four hundred twenty-four thousand, five hundred fifty-three".