56211340 has 24 divisors (see below), whose sum is σ = 118272672. Its totient is φ = 22440960.

The previous prime is 56211319. The next prime is 56211341. The reversal of 56211340 is 4311265.

It is not an unprimeable number, because it can be changed into a prime (56211341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9105 + ... + 13975.

It is an arithmetic number, because the mean of its divisors is an integer number (4928028).

Almost surely, 2^56211340 is an apocalyptic number.

It is an amenable number.

56211340 is an abundant number, since it is smaller than the sum of its proper divisors (62061332).

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

56211340 is a wasteful number, since it uses less digits than its factorization.

56211340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5457 (or 5455 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 56211340 is about 7497.4222236713. The cubic root of 56211340 is about 383.0669167528.

The spelling of 56211340 in words is "fifty-six million, two hundred eleven thousand, three hundred forty".