25555340050 has 48 divisors (see below), whose sum is σ = 48066923520. Its totient is φ = 10107840960.

The previous prime is 25555340039. The next prime is 25555340059. The reversal of 25555340050 is 5004355552.

It is a super-2 number, since 2×25555340050² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 25555339988 and 25555340015.

It is not an unprimeable number, because it can be changed into a prime (25555340059) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 1942896 + ... + 1956004.

It is an arithmetic number, because the mean of its divisors is an integer number (1001394240).

Almost surely, 2^25555340050 is an apocalyptic number.

25555340050 is a deficient number, since it is larger than the sum of its proper divisors (22511583470).

25555340050 is a wasteful number, since it uses less digits than its factorization.

25555340050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13555 (or 13550 counting only the distinct ones).

The product of its (nonzero) digits is 75000, while the sum is 34.

The spelling of 25555340050 in words is "twenty-five billion, five hundred fifty-five million, three hundred forty thousand, fifty".