56858240858 has 16 divisors (see below), whose sum is σ = 85486619904. Its totient is φ = 28362765600.

The previous prime is 56858240843. The next prime is 56858240909. The reversal of 56858240858 is 85804285865.

It is a junction number, because it is equal to n+sod(n) for n = 56858240797 and 56858240806.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1868441 + ... + 1898627.

It is an arithmetic number, because the mean of its divisors is an integer number (5342913744).

Almost surely, 2^56858240858 is an apocalyptic number.

56858240858 is a deficient number, since it is larger than the sum of its proper divisors (28628379046).

56858240858 is a wasteful number, since it uses less digits than its factorization.

56858240858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32357.

The product of its (nonzero) digits is 24576000, while the sum is 59.

The spelling of 56858240858 in words is "fifty-six billion, eight hundred fifty-eight million, two hundred forty thousand, eight hundred fifty-eight".