56891673 has 48 divisors (see below), whose sum is σ = 93720960. Its totient is φ = 34036992.

The previous prime is 56891669. The next prime is 56891677. The reversal of 56891673 is 37619865.

It is a happy number.

56891673 is a `hidden beast` number, since 568 + 9 + 16 + 73 = 666.

It is an interprime number because it is at equal distance from previous prime (56891669) and next prime (56891677).

It is not a de Polignac number, because 56891673 - 2² = 56891669 is a prime.

Its product of digits (272160) is a multiple of the sum of its prime divisors (360).

It is not an unprimeable number, because it can be changed into a prime (56891677) 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 47 ways as a sum of consecutive naturals, for example, 179311 + ... + 179627.

It is an arithmetic number, because the mean of its divisors is an integer number (1952520).

Almost surely, 2^56891673 is an apocalyptic number.

It is an amenable number.

56891673 is a deficient number, since it is larger than the sum of its proper divisors (36829287).

56891673 is a wasteful number, since it uses less digits than its factorization.

56891673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 383 (or 360 counting only the distinct ones).

The product of its digits is 272160, while the sum is 45.

The square root of 56891673 is about 7542.6568926341. The cubic root of 56891673 is about 384.6061593490.

The spelling of 56891673 in words is "fifty-six million, eight hundred ninety-one thousand, six hundred seventy-three".