25550938 has 16 divisors (see below), whose sum is σ = 43963200. Its totient is φ = 10910016.

The previous prime is 25550933. The next prime is 25550947. The reversal of 25550938 is 83905552.

It is a junction number, because it is equal to n+sod(n) for n = 25550897 and 25550906.

It is not an unprimeable number, because it can be changed into a prime (25550933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 738 + ... + 7186.

It is an arithmetic number, because the mean of its divisors is an integer number (2747700).

Almost surely, 2^25550938 is an apocalyptic number.

25550938 is a deficient number, since it is larger than the sum of its proper divisors (18412262).

25550938 is a wasteful number, since it uses less digits than its factorization.

25550938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6741.

The product of its (nonzero) digits is 54000, while the sum is 37.

The square root of 25550938 is about 5054.7935665069. The cubic root of 25550938 is about 294.5341224516.

The spelling of 25550938 in words is "twenty-five million, five hundred fifty thousand, nine hundred thirty-eight".