56061641 has 2 divisors, whose sum is σ = 56061642. Its totient is φ = 56061640.

The previous prime is 56061613. The next prime is 56061653. The reversal of 56061641 is 14616065.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 55428025 + 633616 = 7445^2 + 796^2 .

It is a cyclic number.

It is not a de Polignac number, because 56061641 - 2¹⁴ = 56045257 is a prime.

It is a super-2 number, since 2×56061641² = 6285815183225762, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (56061601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28030820 + 28030821.

It is an arithmetic number, because the mean of its divisors is an integer number (28030821).

Almost surely, 2^56061641 is an apocalyptic number.

It is an amenable number.

56061641 is a deficient number, since it is larger than the sum of its proper divisors (1).

56061641 is an equidigital number, since it uses as much as digits as its factorization.

56061641 is an evil number, because the sum of its binary digits is even.

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

The square root of 56061641 is about 7487.4322033659. The cubic root of 56061641 is about 382.7265600702.

The spelling of 56061641 in words is "fifty-six million, sixty-one thousand, six hundred forty-one".