56287535 has 4 divisors (see below), whose sum is σ = 67545048. Its totient is φ = 45030024.

The previous prime is 56287531. The next prime is 56287549. The reversal of 56287535 is 53578265.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 56287535 - 2² = 56287531 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 56287492 and 56287501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56287531) 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, 5628749 + ... + 5628758.

It is an arithmetic number, because the mean of its divisors is an integer number (16886262).

Almost surely, 2^56287535 is an apocalyptic number.

56287535 is a deficient number, since it is larger than the sum of its proper divisors (11257513).

56287535 is a wasteful number, since it uses less digits than its factorization.

56287535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11257512.

The product of its digits is 252000, while the sum is 41.

The square root of 56287535 is about 7502.5019160277. The cubic root of 56287535 is about 383.2399222089.

The spelling of 56287535 in words is "fifty-six million, two hundred eighty-seven thousand, five hundred thirty-five".