56758539 has 16 divisors (see below), whose sum is σ = 78516000. Its totient is φ = 36427776.

The previous prime is 56758463. The next prime is 56758553. The reversal of 56758539 is 93585765.

It is not a de Polignac number, because 56758539 - 2¹⁵ = 56725771 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56758439) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38337 + ... + 39789.

It is an arithmetic number, because the mean of its divisors is an integer number (4907250).

Almost surely, 2^56758539 is an apocalyptic number.

56758539 is a deficient number, since it is larger than the sum of its proper divisors (21757461).

56758539 is a wasteful number, since it uses less digits than its factorization.

56758539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1934.

The product of its digits is 1134000, while the sum is 48.

The square root of 56758539 is about 7533.8263186776. The cubic root of 56758539 is about 384.3059153519.

The spelling of 56758539 in words is "fifty-six million, seven hundred fifty-eight thousand, five hundred thirty-nine".