56049645 has 16 divisors (see below), whose sum is σ = 89821440. Its totient is φ = 29845824.

The previous prime is 56049641. The next prime is 56049649. The reversal of 56049645 is 54694065.

It is an interprime number because it is at equal distance from previous prime (56049641) and next prime (56049649).

It is not a de Polignac number, because 56049645 - 2² = 56049641 is a prime.

It is a super-3 number, since 3×56049645³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56049641) 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 15 ways as a sum of consecutive naturals, for example, 8187 + ... + 13383.

It is an arithmetic number, because the mean of its divisors is an integer number (5613840).

Almost surely, 2^56049645 is an apocalyptic number.

It is an amenable number.

56049645 is a deficient number, since it is larger than the sum of its proper divisors (33771795).

56049645 is a wasteful number, since it uses less digits than its factorization.

56049645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5924.

The product of its (nonzero) digits is 129600, while the sum is 39.

The square root of 56049645 is about 7486.6310848071. The cubic root of 56049645 is about 382.6992596723.

It can be divided in two parts, 560 and 49645, that added together give a palindrome (50205).

The spelling of 56049645 in words is "fifty-six million, forty-nine thousand, six hundred forty-five".