56404911 has 8 divisors (see below), whose sum is σ = 75358080. Its totient is φ = 37527512.

The previous prime is 56404897. The next prime is 56404927. The reversal of 56404911 is 11940465.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 56404911 - 2⁶ = 56404847 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56404961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17181 + ... + 20198.

It is an arithmetic number, because the mean of its divisors is an integer number (9419760).

Almost surely, 2^56404911 is an apocalyptic number.

56404911 is a deficient number, since it is larger than the sum of its proper divisors (18953169).

56404911 is a wasteful number, since it uses less digits than its factorization.

56404911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37885.

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 56404911 is about 7510.3202994280. The cubic root of 56404911 is about 383.5061264261.

The spelling of 56404911 in words is "fifty-six million, four hundred four thousand, nine hundred eleven".