53861211 has 6 divisors (see below), whose sum is σ = 77799540. Its totient is φ = 35907468.

The previous prime is 53861209. The next prime is 53861221. The reversal of 53861211 is 11216835.

53861211 is a `hidden beast` number, since 5 + 38 + 612 + 11 = 666.

It is not a de Polignac number, because 53861211 - 2¹ = 53861209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53861221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2992281 + ... + 2992298.

It is an arithmetic number, because the mean of its divisors is an integer number (12966590).

Almost surely, 2^53861211 is an apocalyptic number.

53861211 is a deficient number, since it is larger than the sum of its proper divisors (23938329).

53861211 is a wasteful number, since it uses less digits than its factorization.

53861211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5984585 (or 5984582 counting only the distinct ones).

The product of its digits is 1440, while the sum is 27.

The square root of 53861211 is about 7339.0197574335. The cubic root of 53861211 is about 377.6522164388.

The spelling of 53861211 in words is "fifty-three million, eight hundred sixty-one thousand, two hundred eleven".