56321425 has 24 divisors (see below), whose sum is σ = 74827800. Its totient is φ = 41902080.

The previous prime is 56321387. The next prime is 56321429. The reversal of 56321425 is 52412365.

It can be written as a sum of positive squares in 12 ways, for example, as 23648769 + 32672656 = 4863^2 + 5716^2 .

It is not a de Polignac number, because 56321425 - 2⁷ = 56321297 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 56321393 and 56321402.

It is not an unprimeable number, because it can be changed into a prime (56321429) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 37081 + ... + 38569.

It is an arithmetic number, because the mean of its divisors is an integer number (3117825).

Almost surely, 2^56321425 is an apocalyptic number.

It is an amenable number.

56321425 is a deficient number, since it is larger than the sum of its proper divisors (18506375).

56321425 is a wasteful number, since it uses less digits than its factorization.

56321425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1605 (or 1600 counting only the distinct ones).

The product of its digits is 7200, while the sum is 28.

The square root of 56321425 is about 7504.7601560610. The cubic root of 56321425 is about 383.3168213850.

The spelling of 56321425 in words is "fifty-six million, three hundred twenty-one thousand, four hundred twenty-five".