55929571 has 2 divisors, whose sum is σ = 55929572. Its totient is φ = 55929570.

The previous prime is 55929563. The next prime is 55929623. The reversal of 55929571 is 17592955.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55929571 - 2³ = 55929563 is a prime.

It is not a weakly prime, because it can be changed into another prime (55999571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27964785 + 27964786.

It is an arithmetic number, because the mean of its divisors is an integer number (27964786).

Almost surely, 2^55929571 is an apocalyptic number.

55929571 is a deficient number, since it is larger than the sum of its proper divisors (1).

55929571 is an equidigital number, since it uses as much as digits as its factorization.

55929571 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 141750, while the sum is 43.

The square root of 55929571 is about 7478.6075575604. The cubic root of 55929571 is about 382.4257813764.

The spelling of 55929571 in words is "fifty-five million, nine hundred twenty-nine thousand, five hundred seventy-one".