25553244055 has 16 divisors (see below), whose sum is σ = 31705388064. Its totient is φ = 19757585920.

The previous prime is 25553244037. The next prime is 25553244061. The reversal of 25553244055 is 55044235552.

It is not a de Polignac number, because 25553244055 - 2¹⁹ = 25552719767 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25553243999 and 25553244017.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 560542 + ... + 604411.

It is an arithmetic number, because the mean of its divisors is an integer number (1981586754).

Almost surely, 2^25553244055 is an apocalyptic number.

25553244055 is a deficient number, since it is larger than the sum of its proper divisors (6152144009).

25553244055 is a wasteful number, since it uses less digits than its factorization.

25553244055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1165106.

The product of its (nonzero) digits is 600000, while the sum is 40.

The spelling of 25553244055 in words is "twenty-five billion, five hundred fifty-three million, two hundred forty-four thousand, fifty-five".