56404602 has 48 divisors (see below), whose sum is σ = 130673088. Its totient is φ = 17540160.

The previous prime is 56404591. The next prime is 56404609. The reversal of 56404602 is 20640465.

It is a happy number.

56404602 is a `hidden beast` number, since 56 + 4 + 0 + 4 + 602 = 666.

It is not an unprimeable number, because it can be changed into a prime (56404609) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15313 + ... + 18635.

It is an arithmetic number, because the mean of its divisors is an integer number (2722356).

Almost surely, 2^56404602 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56404602, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65336544).

56404602 is an abundant number, since it is smaller than the sum of its proper divisors (74268486).

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

56404602 is a wasteful number, since it uses less digits than its factorization.

56404602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3395 (or 3392 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 56404602 is about 7510.2997277073. The cubic root of 56404602 is about 383.5054261111.

The spelling of 56404602 in words is "fifty-six million, four hundred four thousand, six hundred two".