56206120 has 16 divisors (see below), whose sum is σ = 126463860. Its totient is φ = 22482432.

The previous prime is 56206109. The next prime is 56206133. The reversal of 56206120 is 2160265.

It can be written as a sum of positive squares in 2 ways, for example, as 55026724 + 1179396 = 7418^2 + 1086^2 .

It is a junction number, because it is equal to n+sod(n) for n = 56206091 and 56206100.

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, 702537 + ... + 702616.

Almost surely, 2^56206120 is an apocalyptic number.

It is an amenable number.

56206120 is an abundant number, since it is smaller than the sum of its proper divisors (70257740).

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

56206120 is a wasteful number, since it uses less digits than its factorization.

56206120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1405164 (or 1405160 counting only the distinct ones).

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

The square root of 56206120 is about 7497.0740959390. The cubic root of 56206120 is about 383.0550586994.

Adding to 56206120 its reverse (2160265), we get a palindrome (58366385).

The spelling of 56206120 in words is "fifty-six million, two hundred six thousand, one hundred twenty".