56256533 has 4 divisors (see below), whose sum is σ = 56385120. Its totient is φ = 56127948.

The previous prime is 56256527. The next prime is 56256581. The reversal of 56256533 is 33565265.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 56256533 - 2⁴ = 56256517 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 56256493 and 56256502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56256523) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63635 + ... + 64512.

It is an arithmetic number, because the mean of its divisors is an integer number (14096280).

Almost surely, 2^56256533 is an apocalyptic number.

It is an amenable number.

56256533 is a deficient number, since it is larger than the sum of its proper divisors (128587).

56256533 is a wasteful number, since it uses less digits than its factorization.

56256533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128586.

The product of its digits is 81000, while the sum is 35.

The square root of 56256533 is about 7500.4355206881. The cubic root of 56256533 is about 383.1695491026.

The spelling of 56256533 in words is "fifty-six million, two hundred fifty-six thousand, five hundred thirty-three".