25503050054 has 16 divisors (see below), whose sum is σ = 39613193856. Its totient is φ = 12301248000.

The previous prime is 25503050039. The next prime is 25503050059. The reversal of 25503050054 is 45005030552.

It is a happy number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 25503049999 and 25503050026.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25503050059) 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, 629147 + ... + 668454.

It is an arithmetic number, because the mean of its divisors is an integer number (2475824616).

Almost surely, 2^25503050054 is an apocalyptic number.

25503050054 is a deficient number, since it is larger than the sum of its proper divisors (14110143802).

25503050054 is a wasteful number, since it uses less digits than its factorization.

25503050054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1297951.

The product of its (nonzero) digits is 15000, while the sum is 29.

The spelling of 25503050054 in words is "twenty-five billion, five hundred three million, fifty thousand, fifty-four".