56873829 has 4 divisors (see below), whose sum is σ = 75831776. Its totient is φ = 37915884.

The previous prime is 56873813. The next prime is 56873837. The reversal of 56873829 is 92837865.

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 not a de Polignac number, because 56873829 - 2⁴ = 56873813 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56873129) 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, 9478969 + ... + 9478974.

It is an arithmetic number, because the mean of its divisors is an integer number (18957944).

Almost surely, 2^56873829 is an apocalyptic number.

It is an amenable number.

56873829 is a deficient number, since it is larger than the sum of its proper divisors (18957947).

56873829 is a wasteful number, since it uses less digits than its factorization.

56873829 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18957946.

The product of its digits is 725760, while the sum is 48.

The square root of 56873829 is about 7541.4739275555. The cubic root of 56873829 is about 384.5659447353.

The spelling of 56873829 in words is "fifty-six million, eight hundred seventy-three thousand, eight hundred twenty-nine".