56002520 has 32 divisors (see below), whose sum is σ = 144007200. Its totient is φ = 19200768.

The previous prime is 56002517. The next prime is 56002543. The reversal of 56002520 is 2520065.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

56002520 is a modest number, since divided by 2520 gives 560 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 56002492 and 56002501.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99725 + ... + 100284.

It is an arithmetic number, because the mean of its divisors is an integer number (4500225).

Almost surely, 2^56002520 is an apocalyptic number.

It is an amenable number.

56002520 is an abundant number, since it is smaller than the sum of its proper divisors (88004680).

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

56002520 is a wasteful number, since it uses less digits than its factorization.

56002520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200027 (or 200023 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 56002520 is about 7483.4831462361. The cubic root of 56002520 is about 382.5919752619.

Adding to 56002520 its reverse (2520065), we get a palindrome (58522585).

The spelling of 56002520 in words is "fifty-six million, two thousand, five hundred twenty".