56091204 has 144 divisors (see below), whose sum is σ = 166088832. Its totient is φ = 16422912.

The previous prime is 56091197. The next prime is 56091209. The reversal of 56091204 is 40219065.

56091204 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

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

It is not an unprimeable number, because it can be changed into a prime (56091209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 290532 + ... + 290724.

Almost surely, 2^56091204 is an apocalyptic number.

56091204 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56091204, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83044416).

56091204 is an abundant number, since it is smaller than the sum of its proper divisors (109997628).

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

56091204 is a wasteful number, since it uses less digits than its factorization.

56091204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248 (or 234 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 56091204 is about 7489.4061179776. The cubic root of 56091204 is about 382.7938226811.

The spelling of 56091204 in words is "fifty-six million, ninety-one thousand, two hundred four".