53856377 has 2 divisors, whose sum is σ = 53856378. Its totient is φ = 53856376.

The previous prime is 53856373. The next prime is 53856379. The reversal of 53856377 is 77365835.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27836176 + 26020201 = 5276^2 + 5101^2 .

It is a cyclic number.

It is not a de Polignac number, because 53856377 - 2² = 53856373 is a prime.

It is a super-2 number, since 2×53856377² = 5801018687132258, which contains 22 as substring.

Together with 53856379, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (53856371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26928188 + 26928189.

It is an arithmetic number, because the mean of its divisors is an integer number (26928189).

Almost surely, 2^53856377 is an apocalyptic number.

It is an amenable number.

53856377 is a deficient number, since it is larger than the sum of its proper divisors (1).

53856377 is an equidigital number, since it uses as much as digits as its factorization.

53856377 is an evil number, because the sum of its binary digits is even.

The product of its digits is 529200, while the sum is 44.

The square root of 53856377 is about 7338.6904145086. The cubic root of 53856377 is about 377.6409181074.

The spelling of 53856377 in words is "fifty-three million, eight hundred fifty-six thousand, three hundred seventy-seven".