50555261 has 2 divisors, whose sum is σ = 50555262. Its totient is φ = 50555260.

The previous prime is 50555243. The next prime is 50555279. The reversal of 50555261 is 16255505.

It is a balanced prime because it is at equal distance from previous prime (50555243) and next prime (50555279).

It can be written as a sum of positive squares in only one way, i.e., 50495236 + 60025 = 7106^2 + 245^2 .

It is a cyclic number.

It is not a de Polignac number, because 50555261 - 2¹⁴ = 50538877 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50555231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25277630 + 25277631.

It is an arithmetic number, because the mean of its divisors is an integer number (25277631).

Almost surely, 2^50555261 is an apocalyptic number.

It is an amenable number.

50555261 is a deficient number, since it is larger than the sum of its proper divisors (1).

50555261 is an equidigital number, since it uses as much as digits as its factorization.

50555261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7500, while the sum is 29.

The square root of 50555261 is about 7110.2222890709. Note that the first 4 decimals coincide. The cubic root of 50555261 is about 369.7618652726.

The spelling of 50555261 in words is "fifty million, five hundred fifty-five thousand, two hundred sixty-one".