55733617 has 2 divisors, whose sum is σ = 55733618. Its totient is φ = 55733616.

The previous prime is 55733611. The next prime is 55733641. The reversal of 55733617 is 71633755.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 55487601 + 246016 = 7449^2 + 496^2 .

It is a cyclic number.

It is not a de Polignac number, because 55733617 - 2²³ = 47345009 is a prime.

It is not a weakly prime, because it can be changed into another prime (55733611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27866808 + 27866809.

It is an arithmetic number, because the mean of its divisors is an integer number (27866809).

Almost surely, 2^55733617 is an apocalyptic number.

It is an amenable number.

55733617 is a deficient number, since it is larger than the sum of its proper divisors (1).

55733617 is an equidigital number, since it uses as much as digits as its factorization.

55733617 is an evil number, because the sum of its binary digits is even.

The product of its digits is 66150, while the sum is 37.

The square root of 55733617 is about 7465.4950940979. The cubic root of 55733617 is about 381.9786383713.

The spelling of 55733617 in words is "fifty-five million, seven hundred thirty-three thousand, six hundred seventeen".