56146720 has 48 divisors (see below), whose sum is σ = 151599168. Its totient is φ = 19249920.

The previous prime is 56146681. The next prime is 56146721. The reversal of 56146720 is 2764165.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (56146721) 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, 23946 + ... + 26185.

It is an arithmetic number, because the mean of its divisors is an integer number (3158316).

Almost surely, 2^56146720 is an apocalyptic number.

It is an amenable number.

56146720 is an abundant number, since it is smaller than the sum of its proper divisors (95452448).

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

56146720 is a wasteful number, since it uses less digits than its factorization.

56146720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50153 (or 50145 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 56146720 is about 7493.1115032408. Note that the first 3 decimals coincide. The cubic root of 56146720 is about 382.9200704890.

The spelling of 56146720 in words is "fifty-six million, one hundred forty-six thousand, seven hundred twenty".