25556046 has 16 divisors (see below), whose sum is σ = 51290064. Its totient is φ = 8489024.

The previous prime is 25556021. The next prime is 25556053. The reversal of 25556046 is 64065552.

It is a happy number.

It is a super-2 number, since 2×25556046² = 1306222974308232, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 25555998 and 25556016.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5511 + ... + 9026.

It is an arithmetic number, because the mean of its divisors is an integer number (3205629).

Almost surely, 2^25556046 is an apocalyptic number.

25556046 is an abundant number, since it is smaller than the sum of its proper divisors (25734018).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25556046 is a wasteful number, since it uses less digits than its factorization.

25556046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14835.

The product of its (nonzero) digits is 36000, while the sum is 33.

The square root of 25556046 is about 5055.2988042251. The cubic root of 25556046 is about 294.5537483462.

The spelling of 25556046 in words is "twenty-five million, five hundred fifty-six thousand, forty-six".