56211383 has 2 divisors, whose sum is σ = 56211384. Its totient is φ = 56211382.

The previous prime is 56211371. The next prime is 56211427. The reversal of 56211383 is 38311265.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 56211383 - 2⁶ = 56211319 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56211313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28105691 + 28105692.

It is an arithmetic number, because the mean of its divisors is an integer number (28105692).

Almost surely, 2^56211383 is an apocalyptic number.

56211383 is a deficient number, since it is larger than the sum of its proper divisors (1).

56211383 is an equidigital number, since it uses as much as digits as its factorization.

56211383 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4320, while the sum is 29.

The square root of 56211383 is about 7497.4250913230. The cubic root of 56211383 is about 383.0670144310.

The spelling of 56211383 in words is "fifty-six million, two hundred eleven thousand, three hundred eighty-three".