56323404 has 48 divisors (see below), whose sum is σ = 150743040. Its totient is φ = 18167760.

The previous prime is 56323367. The next prime is 56323427. The reversal of 56323404 is 40432365.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5064 + ... + 11759.

It is an arithmetic number, because the mean of its divisors is an integer number (3140480).

Almost surely, 2^56323404 is an apocalyptic number.

56323404 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

56323404 is an abundant number, since it is smaller than the sum of its proper divisors (94419636).

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

56323404 is a wasteful number, since it uses less digits than its factorization.

56323404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16867 (or 16859 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

The square root of 56323404 is about 7504.8920045528. The cubic root of 56323404 is about 383.3213109441.

Adding to 56323404 its reverse (40432365), we get a palindrome (96755769).

The spelling of 56323404 in words is "fifty-six million, three hundred twenty-three thousand, four hundred four".