56154403 has 2 divisors, whose sum is σ = 56154404. Its totient is φ = 56154402.

The previous prime is 56154377. The next prime is 56154433. The reversal of 56154403 is 30445165.

56154403 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 56154403 - 2⁹ = 56153891 is a prime.

It is not a weakly prime, because it can be changed into another prime (56154433) by changing a digit.

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 as a sum of consecutive naturals, namely, 28077201 + 28077202.

It is an arithmetic number, because the mean of its divisors is an integer number (28077202).

Almost surely, 2^56154403 is an apocalyptic number.

56154403 is a deficient number, since it is larger than the sum of its proper divisors (1).

56154403 is an equidigital number, since it uses as much as digits as its factorization.

56154403 is an odious number, because the sum of its binary digits is odd.

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

The square root of 56154403 is about 7493.6241565747. The cubic root of 56154403 is about 382.9375356868.

Adding to 56154403 its reverse (30445165), we get a palindrome (86599568).

The spelling of 56154403 in words is "fifty-six million, one hundred fifty-four thousand, four hundred three".