56185450 has 12 divisors (see below), whose sum is σ = 104505030. Its totient is φ = 22474160.

The previous prime is 56185429. The next prime is 56185469. The reversal of 56185450 is 5458165.

It is a happy number.

56185450 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 3 ways, for example, as 50936769 + 5248681 = 7137^2 + 2291^2 .

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 561805 + ... + 561904.

Almost surely, 2^56185450 is an apocalyptic number.

56185450 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

56185450 is a deficient number, since it is larger than the sum of its proper divisors (48319580).

56185450 is a wasteful number, since it uses less digits than its factorization.

56185450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1123721 (or 1123716 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 34.

The square root of 56185450 is about 7495.6954313793. The cubic root of 56185450 is about 383.0080963232.

The spelling of 56185450 in words is "fifty-six million, one hundred eighty-five thousand, four hundred fifty".