56552020 has 48 divisors (see below), whose sum is σ = 137773440. Its totient is φ = 19096704.

The previous prime is 56552017. The next prime is 56552033. The reversal of 56552020 is 2025565.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6366 + ... + 12394.

It is an arithmetic number, because the mean of its divisors is an integer number (2870280).

Almost surely, 2^56552020 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 56552020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68886720).

56552020 is an abundant number, since it is smaller than the sum of its proper divisors (81221420).

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

56552020 is a wasteful number, since it uses less digits than its factorization.

56552020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6112 (or 6110 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 56552020 is about 7520.1077119946. The cubic root of 56552020 is about 383.8392429679.

Adding to 56552020 its reverse (2025565), we get a palindrome (58577585).

The spelling of 56552020 in words is "fifty-six million, five hundred fifty-two thousand, twenty".