56290212 has 72 divisors (see below), whose sum is σ = 159056352. Its totient is φ = 16636800.

The previous prime is 56290211. The next prime is 56290219. The reversal of 56290212 is 21209265.

56290212 is a `hidden beast` number, since 562 + 90 + 2 + 12 = 666.

It is not an unprimeable number, because it can be changed into a prime (56290211) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14503 + ... + 17969.

It is an arithmetic number, because the mean of its divisors is an integer number (2209116).

Almost surely, 2^56290212 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56290212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79528176).

56290212 is an abundant number, since it is smaller than the sum of its proper divisors (102766140).

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

56290212 is a wasteful number, since it uses less digits than its factorization.

56290212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3529 (or 3524 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 56290212 is about 7502.6803210586. The cubic root of 56290212 is about 383.2459976630.

Adding to 56290212 its reverse (21209265), we get a palindrome (77499477).

The spelling of 56290212 in words is "fifty-six million, two hundred ninety thousand, two hundred twelve".