56402031333503 has 2 divisors, whose sum is σ = 56402031333504. Its totient is φ = 56402031333502.

The previous prime is 56402031333433. The next prime is 56402031333523. The reversal of 56402031333503 is 30533313020465.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 56402031333503 - 2¹² = 56402031329407 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56402031333523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28201015666751 + 28201015666752.

It is an arithmetic number, because the mean of its divisors is an integer number (28201015666752).

Almost surely, 2^{56402031333503} is an apocalyptic number.

56402031333503 is a deficient number, since it is larger than the sum of its proper divisors (1).

56402031333503 is an equidigital number, since it uses as much as digits as its factorization.

56402031333503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 291600, while the sum is 38.

Adding to 56402031333503 its reverse (30533313020465), we get a palindrome (86935344353968).

The spelling of 56402031333503 in words is "fifty-six trillion, four hundred two billion, thirty-one million, three hundred thirty-three thousand, five hundred three".