56942017 has 4 divisors (see below), whose sum is σ = 62118576. Its totient is φ = 51765460.

The previous prime is 56941999. The next prime is 56942023. The reversal of 56942017 is 71024965.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 56942017 - 2¹¹ = 56939969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56942047) 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, 2588263 + ... + 2588284.

It is an arithmetic number, because the mean of its divisors is an integer number (15529644).

Almost surely, 2^56942017 is an apocalyptic number.

It is an amenable number.

56942017 is a deficient number, since it is larger than the sum of its proper divisors (5176559).

56942017 is a wasteful number, since it uses less digits than its factorization.

56942017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5176558.

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 56942017 is about 7545.9934402304. The cubic root of 56942017 is about 384.7195731574.

The spelling of 56942017 in words is "fifty-six million, nine hundred forty-two thousand, seventeen".