56551033 has 8 divisors (see below), whose sum is σ = 70505280. Its totient is φ = 44065680.

The previous prime is 56551031. The next prime is 56551067. The reversal of 56551033 is 33015565.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 56551033 - 2¹ = 56551031 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 56550992 and 56551010.

It is not an unprimeable number, because it can be changed into a prime (56551031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 367138 + ... + 367291.

It is an arithmetic number, because the mean of its divisors is an integer number (8813160).

Almost surely, 2^56551033 is an apocalyptic number.

It is an amenable number.

56551033 is a deficient number, since it is larger than the sum of its proper divisors (13954247).

56551033 is a wasteful number, since it uses less digits than its factorization.

56551033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 734447.

The product of its (nonzero) digits is 6750, while the sum is 28.

The square root of 56551033 is about 7520.0420876482. The cubic root of 56551033 is about 383.8370099116.

Adding to 56551033 its reverse (33015565), we get a palindrome (89566598).

The spelling of 56551033 in words is "fifty-six million, five hundred fifty-one thousand, thirty-three".