71055755 has 4 divisors (see below), whose sum is σ = 85266912. Its totient is φ = 56844600.

The previous prime is 71055707. The next prime is 71055757. The reversal of 71055755 is 55755017.

It is a semiprime because it is the product of two primes.

It is a de Polignac number, because none of the positive numbers 2^k-71055755 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71055757) 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 3 ways as a sum of consecutive naturals, for example, 7105571 + ... + 7105580.

It is an arithmetic number, because the mean of its divisors is an integer number (21316728).

Almost surely, 2^71055755 is an apocalyptic number.

71055755 is a deficient number, since it is larger than the sum of its proper divisors (14211157).

71055755 is a wasteful number, since it uses less digits than its factorization.

71055755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14211156.

The product of its (nonzero) digits is 30625, while the sum is 35.

The square root of 71055755 is about 8429.4575744825. The cubic root of 71055755 is about 414.1901368611.

It can be divided in two parts, 710 and 55755, that added together give a palindrome (56465).

The spelling of 71055755 in words is "seventy-one million, fifty-five thousand, seven hundred fifty-five".