56820494 has 8 divisors (see below), whose sum is σ = 90244368. Its totient is φ = 26739040.

The previous prime is 56820487. The next prime is 56820523. The reversal of 56820494 is 49402865.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 835562 + ... + 835629.

It is an arithmetic number, because the mean of its divisors is an integer number (11280546).

Almost surely, 2^56820494 is an apocalyptic number.

56820494 is a deficient number, since it is larger than the sum of its proper divisors (33423874).

56820494 is a wasteful number, since it uses less digits than its factorization.

56820494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1671210.

The product of its (nonzero) digits is 69120, while the sum is 38.

The square root of 56820494 is about 7537.9369856745. The cubic root of 56820494 is about 384.4456947018.

The spelling of 56820494 in words is "fifty-six million, eight hundred twenty thousand, four hundred ninety-four".