55716929 has 2 divisors, whose sum is σ = 55716930. Its totient is φ = 55716928.

The previous prime is 55716901. The next prime is 55716943. The reversal of 55716929 is 92961755.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36881329 + 18835600 = 6073^2 + 4340^2 .

It is a cyclic number.

It is not a de Polignac number, because 55716929 - 2⁸ = 55716673 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55716929.

It is not a weakly prime, because it can be changed into another prime (55716979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27858464 + 27858465.

It is an arithmetic number, because the mean of its divisors is an integer number (27858465).

Almost surely, 2^55716929 is an apocalyptic number.

It is an amenable number.

55716929 is a deficient number, since it is larger than the sum of its proper divisors (1).

55716929 is an equidigital number, since it uses as much as digits as its factorization.

55716929 is an evil number, because the sum of its binary digits is even.

The product of its digits is 170100, while the sum is 44.

The square root of 55716929 is about 7464.3773350495. The cubic root of 55716929 is about 381.9405100017.

The spelling of 55716929 in words is "fifty-five million, seven hundred sixteen thousand, nine hundred twenty-nine".