56851007 has 4 divisors (see below), whose sum is σ = 57570720. Its totient is φ = 56131296.

The previous prime is 56851001. The next prime is 56851037. The reversal of 56851007 is 70015865.

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

It is a cyclic number.

It is not a de Polignac number, because 56851007 - 2¹⁸ = 56588863 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 (56851001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 359738 + ... + 359895.

It is an arithmetic number, because the mean of its divisors is an integer number (14392680).

Almost surely, 2^56851007 is an apocalyptic number.

56851007 is a deficient number, since it is larger than the sum of its proper divisors (719713).

56851007 is an equidigital number, since it uses as much as digits as its factorization.

56851007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 719712.

The product of its (nonzero) digits is 8400, while the sum is 32.

The square root of 56851007 is about 7539.9606762900. The cubic root of 56851007 is about 384.5144990567.

The spelling of 56851007 in words is "fifty-six million, eight hundred fifty-one thousand, seven".