56122404 has 48 divisors (see below), whose sum is σ = 141731520. Its totient is φ = 17182080.

The previous prime is 56122387. The next prime is 56122427. The reversal of 56122404 is 40422165.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34939 + ... + 36509.

It is an arithmetic number, because the mean of its divisors is an integer number (2952740).

Almost surely, 2^56122404 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56122404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70865760).

56122404 is an abundant number, since it is smaller than the sum of its proper divisors (85609116).

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

56122404 is a wasteful number, since it uses less digits than its factorization.

56122404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1820 (or 1818 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 56122404 is about 7491.4887705983. The cubic root of 56122404 is about 382.8647842146.

Adding to 56122404 its reverse (40422165), we get a palindrome (96544569).

The spelling of 56122404 in words is "fifty-six million, one hundred twenty-two thousand, four hundred four".