55706377 has 2 divisors, whose sum is σ = 55706378. Its totient is φ = 55706376.

The previous prime is 55706369. The next prime is 55706383. The reversal of 55706377 is 77360755.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 55636681 + 69696 = 7459^2 + 264^2 .

It is a cyclic number.

It is not a de Polignac number, because 55706377 - 2³ = 55706369 is a prime.

It is a super-2 number, since 2×55706377² = 6206400876932258, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (55706317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27853188 + 27853189.

It is an arithmetic number, because the mean of its divisors is an integer number (27853189).

Almost surely, 2^55706377 is an apocalyptic number.

It is an amenable number.

55706377 is a deficient number, since it is larger than the sum of its proper divisors (1).

55706377 is an equidigital number, since it uses as much as digits as its factorization.

55706377 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 154350, while the sum is 40.

The square root of 55706377 is about 7463.6704777207. The cubic root of 55706377 is about 381.9163970987.

The spelling of 55706377 in words is "fifty-five million, seven hundred six thousand, three hundred seventy-seven".