56201515 has 8 divisors (see below), whose sum is σ = 67568400. Its totient is φ = 44876832.

The previous prime is 56201513. The next prime is 56201521. The reversal of 56201515 is 51510265.

56201515 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 56201515 - 2¹ = 56201513 is a prime.

It is a super-2 number, since 2×56201515² = 6317220576590450, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 56201515.

It is not an unprimeable number, because it can be changed into a prime (56201513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7540 + ... + 13009.

It is an arithmetic number, because the mean of its divisors is an integer number (8446050).

Almost surely, 2^56201515 is an apocalyptic number.

56201515 is a deficient number, since it is larger than the sum of its proper divisors (11366885).

56201515 is a wasteful number, since it uses less digits than its factorization.

56201515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21101.

The product of its (nonzero) digits is 1500, while the sum is 25.

The square root of 56201515 is about 7496.7669698344. The cubic root of 56201515 is about 383.0445971060.

The spelling of 56201515 in words is "fifty-six million, two hundred one thousand, five hundred fifteen".