56476429 has 4 divisors (see below), whose sum is σ = 57542076. Its totient is φ = 55410784.

The previous prime is 56476421. The next prime is 56476447. The reversal of 56476429 is 92467465.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 17413929 + 39062500 = 4173^2 + 6250^2 .

It is a cyclic number.

It is not a de Polignac number, because 56476429 - 2³ = 56476421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56476421) 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, 532744 + ... + 532849.

It is an arithmetic number, because the mean of its divisors is an integer number (14385519).

Almost surely, 2^56476429 is an apocalyptic number.

It is an amenable number.

56476429 is a deficient number, since it is larger than the sum of its proper divisors (1065647).

56476429 is a wasteful number, since it uses less digits than its factorization.

56476429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1065646.

The product of its digits is 362880, while the sum is 43.

The square root of 56476429 is about 7515.0801060268. The cubic root of 56476429 is about 383.6681454575.

The spelling of 56476429 in words is "fifty-six million, four hundred seventy-six thousand, four hundred twenty-nine".