56984261 has 2 divisors, whose sum is σ = 56984262. Its totient is φ = 56984260.

The previous prime is 56984251. The next prime is 56984267. The reversal of 56984261 is 16248965.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 56535361 + 448900 = 7519^2 + 670^2 .

It is a cyclic number.

It is not a de Polignac number, because 56984261 - 2¹⁰ = 56983237 is a prime.

It is a super-2 number, since 2×56984261² = 6494412003432242, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56984267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28492130 + 28492131.

It is an arithmetic number, because the mean of its divisors is an integer number (28492131).

Almost surely, 2^56984261 is an apocalyptic number.

It is an amenable number.

56984261 is a deficient number, since it is larger than the sum of its proper divisors (1).

56984261 is an equidigital number, since it uses as much as digits as its factorization.

56984261 is an evil number, because the sum of its binary digits is even.

The product of its digits is 103680, while the sum is 41.

The square root of 56984261 is about 7548.7920225689. The cubic root of 56984261 is about 384.8146879024.

The spelling of 56984261 in words is "fifty-six million, nine hundred eighty-four thousand, two hundred sixty-one".