56197870 has 8 divisors (see below), whose sum is σ = 101156184. Its totient is φ = 22479144.

The previous prime is 56197859. The next prime is 56197927. The reversal of 56197870 is 7879165.

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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2809884 + ... + 2809903.

It is an arithmetic number, because the mean of its divisors is an integer number (12644523).

Almost surely, 2^56197870 is an apocalyptic number.

56197870 is a deficient number, since it is larger than the sum of its proper divisors (44958314).

56197870 is a wasteful number, since it uses less digits than its factorization.

56197870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5619794.

The product of its (nonzero) digits is 105840, while the sum is 43.

The square root of 56197870 is about 7496.5238610972. The cubic root of 56197870 is about 383.0363160259.

The spelling of 56197870 in words is "fifty-six million, one hundred ninety-seven thousand, eight hundred seventy".