53858261 has 8 divisors (see below), whose sum is σ = 57668760. Its totient is φ = 50119168.

The previous prime is 53858251. The next prime is 53858267. The reversal of 53858261 is 16285835.

It can be written as a sum of positive squares in 4 ways, for example, as 1223236 + 52635025 = 1106^2 + 7255^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53858261 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53858267) 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 7 ways as a sum of consecutive naturals, for example, 16286 + ... + 19311.

It is an arithmetic number, because the mean of its divisors is an integer number (7208595).

Almost surely, 2^53858261 is an apocalyptic number.

It is an amenable number.

53858261 is a deficient number, since it is larger than the sum of its proper divisors (3810499).

53858261 is a wasteful number, since it uses less digits than its factorization.

53858261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35703.

The product of its digits is 57600, while the sum is 38.

The square root of 53858261 is about 7338.8187741625. The cubic root of 53858261 is about 377.6453215921.

The spelling of 53858261 in words is "fifty-three million, eight hundred fifty-eight thousand, two hundred sixty-one".