56030215 has 16 divisors (see below), whose sum is σ = 71388000. Its totient is φ = 42071040.

The previous prime is 56030213. The next prime is 56030239. The reversal of 56030215 is 51203065.

It is a happy number.

It is not a de Polignac number, because 56030215 - 2¹ = 56030213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56030213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41755 + ... + 43075.

It is an arithmetic number, because the mean of its divisors is an integer number (4461750).

Almost surely, 2^56030215 is an apocalyptic number.

56030215 is a deficient number, since it is larger than the sum of its proper divisors (15357785).

56030215 is a wasteful number, since it uses less digits than its factorization.

56030215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1842.

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 56030215 is about 7485.3333259114. Note that the first 4 decimals coincide. The cubic root of 56030215 is about 382.6550327730.

The spelling of 56030215 in words is "fifty-six million, thirty thousand, two hundred fifteen".