56904606 has 60 divisors (see below), whose sum is σ = 140202216. Its totient is φ = 17237880.

The previous prime is 56904577. The next prime is 56904611. The reversal of 56904606 is 60640965.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 18151 + ... + 21053.

Almost surely, 2^56904606 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56904606, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70101108).

56904606 is an abundant number, since it is smaller than the sum of its proper divisors (83297610).

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

56904606 is a wasteful number, since it uses less digits than its factorization.

56904606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2939 (or 2919 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The square root of 56904606 is about 7543.5141678133. The cubic root of 56904606 is about 384.6353008989.

It can be divided in two parts, 5690 and 4606, that added together give a triangular number (10296 = T₁₄₃).

The spelling of 56904606 in words is "fifty-six million, nine hundred four thousand, six hundred six".