56291629 has 4 divisors (see below), whose sum is σ = 58107520. Its totient is φ = 54475740.

The previous prime is 56291611. The next prime is 56291657. The reversal of 56291629 is 92619265.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 92619265 = 5 ⋅18523853.

It is a cyclic number.

It is not a de Polignac number, because 56291629 - 2¹⁷ = 56160557 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 56291591 and 56291600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56291659) 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, 907899 + ... + 907960.

It is an arithmetic number, because the mean of its divisors is an integer number (14526880).

Almost surely, 2^56291629 is an apocalyptic number.

It is an amenable number.

56291629 is a deficient number, since it is larger than the sum of its proper divisors (1815891).

56291629 is a wasteful number, since it uses less digits than its factorization.

56291629 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1815890.

The product of its digits is 58320, while the sum is 40.

The square root of 56291629 is about 7502.7747533829. The cubic root of 56291629 is about 383.2492134679.

The spelling of 56291629 in words is "fifty-six million, two hundred ninety-one thousand, six hundred twenty-nine".