54836381 has 2 divisors, whose sum is σ = 54836382. Its totient is φ = 54836380.

The previous prime is 54836363. The next prime is 54836387. The reversal of 54836381 is 18363845.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 49477156 + 5359225 = 7034^2 + 2315^2 .

It is a cyclic number.

It is not a de Polignac number, because 54836381 - 2¹⁰ = 54835357 is a prime.

It is a super-2 number, since 2×54836381² = 6014057362354322, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54836387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27418190 + 27418191.

It is an arithmetic number, because the mean of its divisors is an integer number (27418191).

Almost surely, 2^54836381 is an apocalyptic number.

It is an amenable number.

54836381 is a deficient number, since it is larger than the sum of its proper divisors (1).

54836381 is an equidigital number, since it uses as much as digits as its factorization.

54836381 is an evil number, because the sum of its binary digits is even.

The product of its digits is 69120, while the sum is 38.

The square root of 54836381 is about 7405.1590799928. The cubic root of 54836381 is about 379.9177592108.

The spelling of 54836381 in words is "fifty-four million, eight hundred thirty-six thousand, three hundred eighty-one".