42755471 has 24 divisors (see below), whose sum is σ = 49124880. Its totient is φ = 37157120.

The previous prime is 42755467. The next prime is 42755473. The reversal of 42755471 is 17455724.

42755471 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 42755471 - 2² = 42755467 is a prime.

It is a super-3 number, since 3×42755471³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42755473) 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 in 23 ways as a sum of consecutive naturals, for example, 378311 + ... + 378423.

It is an arithmetic number, because the mean of its divisors is an integer number (2046870).

Almost surely, 2^42755471 is an apocalyptic number.

42755471 is a deficient number, since it is larger than the sum of its proper divisors (6369409).

42755471 is a wasteful number, since it uses less digits than its factorization.

42755471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247 (or 236 counting only the distinct ones).

The product of its digits is 39200, while the sum is 35.

The square root of 42755471 is about 6538.7667797529. The cubic root of 42755471 is about 349.6744483031.

The spelling of 42755471 in words is "forty-two million, seven hundred fifty-five thousand, four hundred seventy-one".