71552056 has 16 divisors (see below), whose sum is σ = 134425440. Its totient is φ = 35705280.

The previous prime is 71552053. The next prime is 71552071. The reversal of 71552056 is 65025517.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71552051) 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 in 3 ways as a sum of consecutive naturals, for example, 4416 + ... + 12751.

It is an arithmetic number, because the mean of its divisors is an integer number (8401590).

Almost surely, 2^71552056 is an apocalyptic number.

It is an amenable number.

71552056 is a deficient number, since it is larger than the sum of its proper divisors (62873384).

71552056 is a wasteful number, since it uses less digits than its factorization.

71552056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17694 (or 17690 counting only the distinct ones).

The product of its (nonzero) digits is 10500, while the sum is 31.

The square root of 71552056 is about 8458.8448383925. The cubic root of 71552056 is about 415.1522275044.

The spelling of 71552056 in words is "seventy-one million, five hundred fifty-two thousand, fifty-six".