56677266 has 64 divisors (see below), whose sum is σ = 136252800. Its totient is φ = 17402688.

The previous prime is 56677249. The next prime is 56677279. The reversal of 56677266 is 66277665.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 37216 + ... + 38708.

It is an arithmetic number, because the mean of its divisors is an integer number (2128950).

Almost surely, 2^56677266 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56677266, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68126400).

56677266 is an abundant number, since it is smaller than the sum of its proper divisors (79575534).

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

56677266 is a wasteful number, since it uses less digits than its factorization.

56677266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1560 (or 1554 counting only the distinct ones).

The product of its digits is 635040, while the sum is 45.

The square root of 56677266 is about 7528.4305137260. The cubic root of 56677266 is about 384.1223975059.

The spelling of 56677266 in words is "fifty-six million, six hundred seventy-seven thousand, two hundred sixty-six".