56970071 has 4 divisors (see below), whose sum is σ = 58045032. Its totient is φ = 55895112.

The previous prime is 56970061. The next prime is 56970073. The reversal of 56970071 is 17007965.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56970071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56970073) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 537401 + ... + 537506.

It is an arithmetic number, because the mean of its divisors is an integer number (14511258).

Almost surely, 2^56970071 is an apocalyptic number.

56970071 is a deficient number, since it is larger than the sum of its proper divisors (1074961).

56970071 is a wasteful number, since it uses less digits than its factorization.

56970071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1074960.

The product of its (nonzero) digits is 13230, while the sum is 35.

The square root of 56970071 is about 7547.8520785718. The cubic root of 56970071 is about 384.7827435629.

The spelling of 56970071 in words is "fifty-six million, nine hundred seventy thousand, seventy-one".