25550042 has 8 divisors (see below), whose sum is σ = 43800096. Its totient is φ = 10950012.

The previous prime is 25550039. The next prime is 25550059. The reversal of 25550042 is 24005552.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 912488 + ... + 912515.

It is an arithmetic number, because the mean of its divisors is an integer number (5475012).

Almost surely, 2^25550042 is an apocalyptic number.

25550042 is a deficient number, since it is larger than the sum of its proper divisors (18250054).

25550042 is a wasteful number, since it uses less digits than its factorization.

25550042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1825012.

The product of its (nonzero) digits is 2000, while the sum is 23.

The square root of 25550042 is about 5054.7049369869. The cubic root of 25550042 is about 294.5306795818.

Adding to 25550042 its reverse (24005552), we get a palindrome (49555594).

The spelling of 25550042 in words is "twenty-five million, five hundred fifty thousand, forty-two".