56104481 has 2 divisors, whose sum is σ = 56104482. Its totient is φ = 56104480.

The previous prime is 56104463. The next prime is 56104483. The reversal of 56104481 is 18440165.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 54169600 + 1934881 = 7360^2 + 1391^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56104481 is a prime.

It is a super-2 number, since 2×56104481² = 6295425576558722, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 56104483, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (56104483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28052240 + 28052241.

It is an arithmetic number, because the mean of its divisors is an integer number (28052241).

Almost surely, 2^56104481 is an apocalyptic number.

It is an amenable number.

56104481 is a deficient number, since it is larger than the sum of its proper divisors (1).

56104481 is an equidigital number, since it uses as much as digits as its factorization.

56104481 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3840, while the sum is 29.

The square root of 56104481 is about 7490.2924508994. The cubic root of 56104481 is about 382.8240232133.

The spelling of 56104481 in words is "fifty-six million, one hundred four thousand, four hundred eighty-one".