55656735 has 16 divisors (see below), whose sum is σ = 89220960. Its totient is φ = 29626880.

The previous prime is 55656707. The next prime is 55656737. The reversal of 55656735 is 53765655.

It is a happy number.

It is not a de Polignac number, because 55656735 - 2⁸ = 55656479 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55656737) 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, 5275 + ... + 11795.

It is an arithmetic number, because the mean of its divisors is an integer number (5576310).

Almost surely, 2^55656735 is an apocalyptic number.

55656735 is a deficient number, since it is larger than the sum of its proper divisors (33564225).

55656735 is a wasteful number, since it uses less digits than its factorization.

55656735 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7098.

The product of its digits is 472500, while the sum is 42.

The square root of 55656735 is about 7460.3441609620. The cubic root of 55656735 is about 381.8029168037.

It can be divided in two parts, 556 and 56735, that added together give a triangular number (57291 = T₃₃₈).

The spelling of 55656735 in words is "fifty-five million, six hundred fifty-six thousand, seven hundred thirty-five".