55256177 has 2 divisors, whose sum is σ = 55256178. Its totient is φ = 55256176.

The previous prime is 55256153. The next prime is 55256197. The reversal of 55256177 is 77165255.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 41977441 + 13278736 = 6479^2 + 3644^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55256177 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55256177.

It is not a weakly prime, because it can be changed into another prime (55256197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27628088 + 27628089.

It is an arithmetic number, because the mean of its divisors is an integer number (27628089).

Almost surely, 2^55256177 is an apocalyptic number.

It is an amenable number.

55256177 is a deficient number, since it is larger than the sum of its proper divisors (1).

55256177 is an equidigital number, since it uses as much as digits as its factorization.

55256177 is an evil number, because the sum of its binary digits is even.

The product of its digits is 73500, while the sum is 38.

The square root of 55256177 is about 7433.4498720312. The cubic root of 55256177 is about 380.8847735176.

The spelling of 55256177 in words is "fifty-five million, two hundred fifty-six thousand, one hundred seventy-seven".