56425403 has 2 divisors, whose sum is σ = 56425404. Its totient is φ = 56425402.

The previous prime is 56425399. The next prime is 56425441. The reversal of 56425403 is 30452465.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 56425403 - 2² = 56425399 is a prime.

It is a super-2 number, since 2×56425403² = 6367652207424818, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (56425493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28212701 + 28212702.

It is an arithmetic number, because the mean of its divisors is an integer number (28212702).

Almost surely, 2^56425403 is an apocalyptic number.

56425403 is a deficient number, since it is larger than the sum of its proper divisors (1).

56425403 is an equidigital number, since it uses as much as digits as its factorization.

56425403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14400, while the sum is 29.

The square root of 56425403 is about 7511.6844316039. The cubic root of 56425403 is about 383.5525636121.

Adding to 56425403 its reverse (30452465), we get a palindrome (86877868).

The spelling of 56425403 in words is "fifty-six million, four hundred twenty-five thousand, four hundred three".