61055843 has 2 divisors, whose sum is σ = 61055844. Its totient is φ = 61055842.

The previous prime is 61055807. The next prime is 61055881. The reversal of 61055843 is 34855016.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 61055843 - 2¹⁸ = 60793699 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (61055803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30527921 + 30527922.

It is an arithmetic number, because the mean of its divisors is an integer number (30527922).

Almost surely, 2^61055843 is an apocalyptic number.

61055843 is a deficient number, since it is larger than the sum of its proper divisors (1).

61055843 is an equidigital number, since it uses as much as digits as its factorization.

61055843 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 61055843 is about 7813.8238398367. The cubic root of 61055843 is about 393.7698050675.

The spelling of 61055843 in words is "sixty-one million, fifty-five thousand, eight hundred forty-three".