56858029 has 4 divisors (see below), whose sum is σ = 57930876. Its totient is φ = 55785184.

The previous prime is 56858023. The next prime is 56858057. The reversal of 56858029 is 92085865.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 92085865 = 5 ⋅18417173.

It can be written as a sum of positive squares in 2 ways, for example, as 19342404 + 37515625 = 4398^2 + 6125^2 .

It is a cyclic number.

It is not a de Polignac number, because 56858029 - 2⁷ = 56857901 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 (56858023) 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, 536344 + ... + 536449.

It is an arithmetic number, because the mean of its divisors is an integer number (14482719).

Almost surely, 2^56858029 is an apocalyptic number.

It is an amenable number.

56858029 is a deficient number, since it is larger than the sum of its proper divisors (1072847).

56858029 is a wasteful number, since it uses less digits than its factorization.

56858029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1072846.

The product of its (nonzero) digits is 172800, while the sum is 43.

The square root of 56858029 is about 7540.4263142080. The cubic root of 56858029 is about 384.5303296157.

The spelling of 56858029 in words is "fifty-six million, eight hundred fifty-eight thousand, twenty-nine".