56719386 has 64 divisors (see below), whose sum is σ = 130527360. Its totient is φ = 18247680.

The previous prime is 56719373. The next prime is 56719387. The reversal of 56719386 is 68391765.

It is a happy number.

56719386 is a `hidden beast` number, since 567 + 1 + 9 + 3 + 86 = 666.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (56719387) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 220570 + ... + 220826.

It is an arithmetic number, because the mean of its divisors is an integer number (2039490).

Almost surely, 2^56719386 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56719386, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65263680).

56719386 is an abundant number, since it is smaller than the sum of its proper divisors (73807974).

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

56719386 is a wasteful number, since it uses less digits than its factorization.

56719386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 396 (or 390 counting only the distinct ones).

The product of its digits is 272160, while the sum is 45.

The square root of 56719386 is about 7531.2273900076. The cubic root of 56719386 is about 384.2175281187.

The spelling of 56719386 in words is "fifty-six million, seven hundred nineteen thousand, three hundred eighty-six".