54840361 has 2 divisors, whose sum is σ = 54840362. Its totient is φ = 54840360.

The previous prime is 54840311. The next prime is 54840391. The reversal of 54840361 is 16304845.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 54169600 + 670761 = 7360^2 + 819^2 .

It is a cyclic number.

It is not a de Polignac number, because 54840361 - 2⁹ = 54839849 is a prime.

It is a super-2 number, since 2×54840361² = 6014930389220642, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (54840311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27420180 + 27420181.

It is an arithmetic number, because the mean of its divisors is an integer number (27420181).

Almost surely, 2^54840361 is an apocalyptic number.

It is an amenable number.

54840361 is a deficient number, since it is larger than the sum of its proper divisors (1).

54840361 is an equidigital number, since it uses as much as digits as its factorization.

54840361 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 54840361 is about 7405.4278066834. The cubic root of 54840361 is about 379.9269504088.

The spelling of 54840361 in words is "fifty-four million, eight hundred forty thousand, three hundred sixty-one".