56359819 has 2 divisors, whose sum is σ = 56359820. Its totient is φ = 56359818.

The previous prime is 56359801. The next prime is 56359837. The reversal of 56359819 is 91895365.

It is a balanced prime because it is at equal distance from previous prime (56359801) and next prime (56359837).

It is a cyclic number.

It is not a de Polignac number, because 56359819 - 2¹³ = 56351627 is a prime.

It is a super-2 number, since 2×56359819² = 6352858395425522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (56359859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28179909 + 28179910.

It is an arithmetic number, because the mean of its divisors is an integer number (28179910).

Almost surely, 2^56359819 is an apocalyptic number.

56359819 is a deficient number, since it is larger than the sum of its proper divisors (1).

56359819 is an equidigital number, since it uses as much as digits as its factorization.

56359819 is an evil number, because the sum of its binary digits is even.

The product of its digits is 291600, while the sum is 46.

The square root of 56359819 is about 7507.3176967543. The cubic root of 56359819 is about 383.4039032437.

The spelling of 56359819 in words is "fifty-six million, three hundred fifty-nine thousand, eight hundred nineteen".