56210620 has 48 divisors (see below), whose sum is σ = 124649280. Its totient is φ = 21249536.

The previous prime is 56210617. The next prime is 56210621. The reversal of 56210620 is 2601265.

It is a junction number, because it is equal to n+sod(n) for n = 56210591 and 56210600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56210621) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40254 + ... + 41626.

It is an arithmetic number, because the mean of its divisors is an integer number (2596860).

Almost surely, 2^56210620 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 56210620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62324640).

56210620 is an abundant number, since it is smaller than the sum of its proper divisors (68438660).

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

56210620 is a wasteful number, since it uses less digits than its factorization.

56210620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1494 (or 1492 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 56210620 is about 7497.3742070141. The cubic root of 56210620 is about 383.0652812029.

Adding to 56210620 its reverse (2601265), we get a palindrome (58811885).

The spelling of 56210620 in words is "fifty-six million, two hundred ten thousand, six hundred twenty".