56408629 has 2 divisors, whose sum is σ = 56408630. Its totient is φ = 56408628.

The previous prime is 56408621. The next prime is 56408753. The reversal of 56408629 is 92680465.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50381604 + 6027025 = 7098^2 + 2455^2 .

It is a cyclic number.

It is not a de Polignac number, because 56408629 - 2³ = 56408621 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 56408591 and 56408600.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56408621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28204314 + 28204315.

It is an arithmetic number, because the mean of its divisors is an integer number (28204315).

Almost surely, 2^56408629 is an apocalyptic number.

It is an amenable number.

56408629 is a deficient number, since it is larger than the sum of its proper divisors (1).

56408629 is an equidigital number, since it uses as much as digits as its factorization.

56408629 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 103680, while the sum is 40.

The square root of 56408629 is about 7510.5678214100. The cubic root of 56408629 is about 383.5145526691.

The spelling of 56408629 in words is "fifty-six million, four hundred eight thousand, six hundred twenty-nine".