56074191 has 4 divisors (see below), whose sum is σ = 74765592. Its totient is φ = 37382792.

The previous prime is 56074141. The next prime is 56074199. The reversal of 56074191 is 19147065.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 56074191 - 2⁷ = 56074063 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56074199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9345696 + ... + 9345701.

It is an arithmetic number, because the mean of its divisors is an integer number (18691398).

Almost surely, 2^56074191 is an apocalyptic number.

56074191 is a deficient number, since it is larger than the sum of its proper divisors (18691401).

56074191 is a wasteful number, since it uses less digits than its factorization.

56074191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18691400.

The product of its (nonzero) digits is 7560, while the sum is 33.

The square root of 56074191 is about 7488.2702274958. The cubic root of 56074191 is about 382.7551170887.

It can be divided in two parts, 56074 and 191, that added together give a palindrome (56265).

The spelling of 56074191 in words is "fifty-six million, seventy-four thousand, one hundred ninety-one".