55953959 has 2 divisors, whose sum is σ = 55953960. Its totient is φ = 55953958.

The previous prime is 55953929. The next prime is 55953967. The reversal of 55953959 is 95935955.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55953959 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55953929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27976979 + 27976980.

It is an arithmetic number, because the mean of its divisors is an integer number (27976980).

Almost surely, 2^55953959 is an apocalyptic number.

55953959 is a deficient number, since it is larger than the sum of its proper divisors (1).

55953959 is an equidigital number, since it uses as much as digits as its factorization.

55953959 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1366875, while the sum is 50.

The square root of 55953959 is about 7480.2378972864. The cubic root of 55953959 is about 382.4813586826.

The spelling of 55953959 in words is "fifty-five million, nine hundred fifty-three thousand, nine hundred fifty-nine".