56853435787 has 4 divisors (see below), whose sum is σ = 58813899120. Its totient is φ = 54892972456.

The previous prime is 56853435739. The next prime is 56853435803. The reversal of 56853435787 is 78753435865.

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 56853435787 - 2⁷ = 56853435659 is a prime.

It is a super-3 number, since 3×56853435787³ (a number of 33 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56853435487) 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, 980231623 + ... + 980231680.

It is an arithmetic number, because the mean of its divisors is an integer number (14703474780).

Almost surely, 2^56853435787 is an apocalyptic number.

56853435787 is a deficient number, since it is larger than the sum of its proper divisors (1960463333).

56853435787 is a wasteful number, since it uses less digits than its factorization.

56853435787 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1960463332.

The product of its digits is 84672000, while the sum is 61.

The spelling of 56853435787 in words is "fifty-six billion, eight hundred fifty-three million, four hundred thirty-five thousand, seven hundred eighty-seven".