56856435 has 16 divisors (see below), whose sum is σ = 91873440. Its totient is φ = 30022400.

The previous prime is 56856433. The next prime is 56856461. The reversal of 56856435 is 53465865.

It is a happy number.

It is not a de Polignac number, because 56856435 - 2¹ = 56856433 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56856431) 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, 17250 + ... + 20279.

It is an arithmetic number, because the mean of its divisors is an integer number (5742090).

Almost surely, 2^56856435 is an apocalyptic number.

56856435 is a deficient number, since it is larger than the sum of its proper divisors (35017005).

56856435 is a wasteful number, since it uses less digits than its factorization.

56856435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37638.

The product of its digits is 432000, while the sum is 42.

The square root of 56856435 is about 7540.3206165255. The cubic root of 56856435 is about 384.5267361796.

It can be divided in two parts, 56856 and 435, that added together give a triangular number (57291 = T₃₃₈).

The spelling of 56856435 in words is "fifty-six million, eight hundred fifty-six thousand, four hundred thirty-five".