56075290 has 16 divisors (see below), whose sum is σ = 103398120. Its totient is φ = 21882880.

The previous prime is 56075281. The next prime is 56075291. The reversal of 56075290 is 9257065.

56075290 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 10093329 + 45981961 = 3177^2 + 6781^2 .

It is not an unprimeable number, because it can be changed into a prime (56075291) 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 7 ways as a sum of consecutive naturals, for example, 67975 + ... + 68794.

Almost surely, 2^56075290 is an apocalyptic number.

56075290 is a deficient number, since it is larger than the sum of its proper divisors (47322830).

56075290 is a wasteful number, since it uses less digits than its factorization.

56075290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136817.

The product of its (nonzero) digits is 18900, while the sum is 34.

The square root of 56075290 is about 7488.3436085693. The cubic root of 56075290 is about 382.7576176159.

It can be divided in two parts, 56075 and 290, that added together give a palindrome (56365).

The spelling of 56075290 in words is "fifty-six million, seventy-five thousand, two hundred ninety".