55911347 has 2 divisors, whose sum is σ = 55911348. Its totient is φ = 55911346.

The previous prime is 55911337. The next prime is 55911353. The reversal of 55911347 is 74311955.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55911347 - 2¹² = 55907251 is a prime.

It is not a weakly prime, because it can be changed into another prime (55911307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27955673 + 27955674.

It is an arithmetic number, because the mean of its divisors is an integer number (27955674).

Almost surely, 2^55911347 is an apocalyptic number.

55911347 is a deficient number, since it is larger than the sum of its proper divisors (1).

55911347 is an equidigital number, since it uses as much as digits as its factorization.

55911347 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18900, while the sum is 35.

The square root of 55911347 is about 7477.3890496617. The cubic root of 55911347 is about 382.3842405337.

The spelling of 55911347 in words is "fifty-five million, nine hundred eleven thousand, three hundred forty-seven".