56446925 has 6 divisors (see below), whose sum is σ = 69994218. Its totient is φ = 45157520.

The previous prime is 56446921. The next prime is 56446979. The reversal of 56446925 is 52964465.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 11744329 + 44702596 = 3427^2 + 6686^2 .

It is not a de Polignac number, because 56446925 - 2² = 56446921 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56446921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1128914 + ... + 1128963.

It is an arithmetic number, because the mean of its divisors is an integer number (11665703).

Almost surely, 2^56446925 is an apocalyptic number.

It is an amenable number.

56446925 is a deficient number, since it is larger than the sum of its proper divisors (13547293).

56446925 is a wasteful number, since it uses less digits than its factorization.

56446925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2257887 (or 2257882 counting only the distinct ones).

The product of its digits is 259200, while the sum is 41.

The square root of 56446925 is about 7513.1168631933. The cubic root of 56446925 is about 383.6013227911.

The spelling of 56446925 in words is "fifty-six million, four hundred forty-six thousand, nine hundred twenty-five".