56512203 has 24 divisors (see below), whose sum is σ = 83451648. Its totient is φ = 33990000.

The previous prime is 56512201. The next prime is 56512229. The reversal of 56512203 is 30221565.

It is not a de Polignac number, because 56512203 - 2¹ = 56512201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56512201) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 54298 + ... + 55328.

It is an arithmetic number, because the mean of its divisors is an integer number (3477152).

Almost surely, 2^56512203 is an apocalyptic number.

56512203 is a deficient number, since it is larger than the sum of its proper divisors (26939445).

56512203 is a wasteful number, since it uses less digits than its factorization.

56512203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1207 (or 1196 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 56512203 is about 7517.4598768467. The cubic root of 56512203 is about 383.7491376370.

Adding to 56512203 its reverse (30221565), we get a palindrome (86733768).

The spelling of 56512203 in words is "fifty-six million, five hundred twelve thousand, two hundred three".