55661083 has 2 divisors, whose sum is σ = 55661084. Its totient is φ = 55661082.

The previous prime is 55661071. The next prime is 55661087. The reversal of 55661083 is 38016655.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55661083 - 2⁹ = 55660571 is a prime.

It is not a weakly prime, because it can be changed into another prime (55661087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27830541 + 27830542.

It is an arithmetic number, because the mean of its divisors is an integer number (27830542).

Almost surely, 2^55661083 is an apocalyptic number.

55661083 is a deficient number, since it is larger than the sum of its proper divisors (1).

55661083 is an equidigital number, since it uses as much as digits as its factorization.

55661083 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21600, while the sum is 34.

The square root of 55661083 is about 7460.6355627386. The cubic root of 55661083 is about 381.8128589119.

The spelling of 55661083 in words is "fifty-five million, six hundred sixty-one thousand, eighty-three".