56898819 has 6 divisors (see below), whose sum is σ = 82187196. Its totient is φ = 37932540.

The previous prime is 56898817. The next prime is 56898827. The reversal of 56898819 is 91889865.

It is not a de Polignac number, because 56898819 - 2¹ = 56898817 is a prime.

It is a super-2 number, since 2×56898819² = 6474951207189522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (56898817) 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 5 ways as a sum of consecutive naturals, for example, 3161037 + ... + 3161054.

It is an arithmetic number, because the mean of its divisors is an integer number (13697866).

Almost surely, 2^56898819 is an apocalyptic number.

56898819 is a deficient number, since it is larger than the sum of its proper divisors (25288377).

56898819 is a wasteful number, since it uses less digits than its factorization.

56898819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6322097 (or 6322094 counting only the distinct ones).

The product of its digits is 1244160, while the sum is 54.

The square root of 56898819 is about 7543.1305835177. The cubic root of 56898819 is about 384.6222617673.

The spelling of 56898819 in words is "fifty-six million, eight hundred ninety-eight thousand, eight hundred nineteen".