56157841 has 4 divisors (see below), whose sum is σ = 56376612. Its totient is φ = 55939072.

The previous prime is 56157839. The next prime is 56157877. The reversal of 56157841 is 14875165.

56157841 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 34339600 + 21818241 = 5860^2 + 4671^2 .

It is a cyclic number.

It is not a de Polignac number, because 56157841 - 2¹ = 56157839 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 56157841.

It is not an unprimeable number, because it can be changed into a prime (56157821) 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 3 ways as a sum of consecutive naturals, for example, 109000 + ... + 109513.

It is an arithmetic number, because the mean of its divisors is an integer number (14094153).

Almost surely, 2^56157841 is an apocalyptic number.

It is an amenable number.

56157841 is a deficient number, since it is larger than the sum of its proper divisors (218771).

56157841 is a wasteful number, since it uses less digits than its factorization.

56157841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218770.

The product of its digits is 33600, while the sum is 37.

The square root of 56157841 is about 7493.8535480752. The cubic root of 56157841 is about 382.9453505230.

It can be divided in two parts, 5615 and 7841, that added together give a square (13456 = 116²).

The spelling of 56157841 in words is "fifty-six million, one hundred fifty-seven thousand, eight hundred forty-one".