56755535 has 8 divisors (see below), whose sum is σ = 68278896. Its totient is φ = 45289600.

The previous prime is 56755511. The next prime is 56755549. The reversal of 56755535 is 53555765.

It is a happy number.

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

It is not a de Polignac number, because 56755535 - 2¹⁶ = 56689999 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 56755492 and 56755501.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12149 + ... + 16158.

It is an arithmetic number, because the mean of its divisors is an integer number (8534862).

Almost surely, 2^56755535 is an apocalyptic number.

56755535 is a deficient number, since it is larger than the sum of its proper divisors (11523361).

56755535 is a wasteful number, since it uses less digits than its factorization.

56755535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28713.

The product of its digits is 393750, while the sum is 41.

The square root of 56755535 is about 7533.6269485554. The cubic root of 56755535 is about 384.2991353128.

The spelling of 56755535 in words is "fifty-six million, seven hundred fifty-five thousand, five hundred thirty-five".