56770211 has 4 divisors (see below), whose sum is σ = 56793432. Its totient is φ = 56746992.

The previous prime is 56770193. The next prime is 56770223. The reversal of 56770211 is 11207765.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11207765 = 5 ⋅2241553.

It is a cyclic number.

It is not a de Polignac number, because 56770211 - 2¹⁰ = 56769187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56770411) 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, 7445 + ... + 12998.

It is an arithmetic number, because the mean of its divisors is an integer number (14198358).

Almost surely, 2^56770211 is an apocalyptic number.

56770211 is a deficient number, since it is larger than the sum of its proper divisors (23221).

56770211 is a wasteful number, since it uses less digits than its factorization.

56770211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23220.

The product of its (nonzero) digits is 2940, while the sum is 29.

The square root of 56770211 is about 7534.6009184296. The cubic root of 56770211 is about 384.3322568286.

Adding to 56770211 its reverse (11207765), we get a palindrome (67977976).

The spelling of 56770211 in words is "fifty-six million, seven hundred seventy thousand, two hundred eleven".