55964617 has 2 divisors, whose sum is σ = 55964618. Its totient is φ = 55964616.

The previous prime is 55964611. The next prime is 55964651. The reversal of 55964617 is 71646955.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 45441081 + 10523536 = 6741^2 + 3244^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55964617 is a prime.

It is not a weakly prime, because it can be changed into another prime (55964611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27982308 + 27982309.

It is an arithmetic number, because the mean of its divisors is an integer number (27982309).

Almost surely, 2^55964617 is an apocalyptic number.

It is an amenable number.

55964617 is a deficient number, since it is larger than the sum of its proper divisors (1).

55964617 is an equidigital number, since it uses as much as digits as its factorization.

55964617 is an evil number, because the sum of its binary digits is even.

The product of its digits is 226800, while the sum is 43.

The square root of 55964617 is about 7480.9502738623. The cubic root of 55964617 is about 382.5056419063.

The spelling of 55964617 in words is "fifty-five million, nine hundred sixty-four thousand, six hundred seventeen".