56142210 has 32 divisors (see below), whose sum is σ = 136056960. Its totient is φ = 14825088.

The previous prime is 56142199. The next prime is 56142223. The reversal of 56142210 is 1224165.

It is a Curzon 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 15 ways as a sum of consecutive naturals, for example, 5995 + ... + 12174.

It is an arithmetic number, because the mean of its divisors is an integer number (4251780).

Almost surely, 2^56142210 is an apocalyptic number.

56142210 is an abundant number, since it is smaller than the sum of its proper divisors (79914750).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56142210 is a wasteful number, since it uses less digits than its factorization.

56142210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18282.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 56142210 is about 7492.8105541245. The cubic root of 56142210 is about 382.9098174961.

Adding to 56142210 its reverse (1224165), we get a palindrome (57366375).

The spelling of 56142210 in words is "fifty-six million, one hundred forty-two thousand, two hundred ten".