56533851 has 12 divisors (see below), whose sum is σ = 89083800. Its totient is φ = 34262880.

The previous prime is 56533849. The next prime is 56533871. The reversal of 56533851 is 15833565.

It is not a de Polignac number, because 56533851 - 2¹ = 56533849 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56533811) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 285426 + ... + 285623.

It is an arithmetic number, because the mean of its divisors is an integer number (7423650).

Almost surely, 2^56533851 is an apocalyptic number.

56533851 is a deficient number, since it is larger than the sum of its proper divisors (32549949).

56533851 is a wasteful number, since it uses less digits than its factorization.

56533851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 571066 (or 571063 counting only the distinct ones).

The product of its digits is 54000, while the sum is 36.

The square root of 56533851 is about 7518.8995870406. The cubic root of 56533851 is about 383.7981320155.

The spelling of 56533851 in words is "fifty-six million, five hundred thirty-three thousand, eight hundred fifty-one".