56033505 has 64 divisors (see below), whose sum is σ = 110073600. Its totient is φ = 26818560.

The previous prime is 56033477. The next prime is 56033531. The reversal of 56033505 is 50533065.

It is a happy number.

56033505 is a `hidden beast` number, since 5 + 603 + 3 + 50 + 5 = 666.

It is not a de Polignac number, because 56033505 - 2¹¹ = 56031457 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 143851 + ... + 144239.

It is an arithmetic number, because the mean of its divisors is an integer number (1719900).

Almost surely, 2^56033505 is an apocalyptic number.

56033505 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

56033505 is a deficient number, since it is larger than the sum of its proper divisors (54040095).

56033505 is a wasteful number, since it uses less digits than its factorization.

56033505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 511 (or 505 counting only the distinct ones).

The product of its (nonzero) digits is 6750, while the sum is 27.

The square root of 56033505 is about 7485.5530857780. The cubic root of 56033505 is about 382.6625222464.

The spelling of 56033505 in words is "fifty-six million, thirty-three thousand, five hundred five".