56729853 has 6 divisors (see below), whose sum is σ = 81943134. Its totient is φ = 37819896.

The previous prime is 56729851. The next prime is 56729861. The reversal of 56729853 is 35892765.

It is a happy number.

56729853 is a `hidden beast` number, since 567 + 2 + 9 + 85 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 46212804 + 10517049 = 6798^2 + 3243^2 .

It is not a de Polignac number, because 56729853 - 2¹ = 56729851 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 56729799 and 56729808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56729851) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3151650 + ... + 3151667.

It is an arithmetic number, because the mean of its divisors is an integer number (13657189).

Almost surely, 2^56729853 is an apocalyptic number.

It is an amenable number.

56729853 is a deficient number, since it is larger than the sum of its proper divisors (25213281).

56729853 is a wasteful number, since it uses less digits than its factorization.

56729853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6303323 (or 6303320 counting only the distinct ones).

The product of its digits is 453600, while the sum is 45.

The square root of 56729853 is about 7531.9222646015. The cubic root of 56729853 is about 384.2411611761.

The spelling of 56729853 in words is "fifty-six million, seven hundred twenty-nine thousand, eight hundred fifty-three".