56135787 has 8 divisors (see below), whose sum is σ = 75236304. Its totient is φ = 37229568.

The previous prime is 56135777. The next prime is 56135789. The reversal of 56135787 is 78753165.

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

It is not a de Polignac number, because 56135787 - 2¹⁴ = 56119403 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56135789) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47898 + ... + 49055.

It is an arithmetic number, because the mean of its divisors is an integer number (9404538).

Almost surely, 2^56135787 is an apocalyptic number.

56135787 is a deficient number, since it is larger than the sum of its proper divisors (19100517).

56135787 is a wasteful number, since it uses less digits than its factorization.

56135787 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97149.

The product of its digits is 176400, while the sum is 42.

The square root of 56135787 is about 7492.3819310016. The cubic root of 56135787 is about 382.8952145586.

The spelling of 56135787 in words is "fifty-six million, one hundred thirty-five thousand, seven hundred eighty-seven".