55740071 has 2 divisors, whose sum is σ = 55740072. Its totient is φ = 55740070.

The previous prime is 55740049. The next prime is 55740079. The reversal of 55740071 is 17004755.

55740071 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55740071 - 2⁶ = 55740007 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55740079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27870035 + 27870036.

It is an arithmetic number, because the mean of its divisors is an integer number (27870036).

Almost surely, 2^55740071 is an apocalyptic number.

55740071 is a deficient number, since it is larger than the sum of its proper divisors (1).

55740071 is an equidigital number, since it uses as much as digits as its factorization.

55740071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4900, while the sum is 29.

The square root of 55740071 is about 7465.9273369087. The cubic root of 55740071 is about 381.9933822853.

The spelling of 55740071 in words is "fifty-five million, seven hundred forty thousand, seventy-one".