56152520 has 16 divisors (see below), whose sum is σ = 126343260. Its totient is φ = 22460992.

The previous prime is 56152519. The next prime is 56152529. The reversal of 56152520 is 2525165.

It can be written as a sum of positive squares in 2 ways, for example, as 53611684 + 2540836 = 7322^2 + 1594^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 56152520.

It is not an unprimeable number, because it can be changed into a prime (56152529) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 701867 + ... + 701946.

Almost surely, 2^56152520 is an apocalyptic number.

It is an amenable number.

56152520 is an abundant number, since it is smaller than the sum of its proper divisors (70190740).

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

56152520 is a wasteful number, since it uses less digits than its factorization.

56152520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1403824 (or 1403820 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 56152520 is about 7493.4985153798. The cubic root of 56152520 is about 382.9332553490.

Adding to 56152520 its reverse (2525165), we get a palindrome (58677685).

The spelling of 56152520 in words is "fifty-six million, one hundred fifty-two thousand, five hundred twenty".