55357242011 has 2 divisors, whose sum is σ = 55357242012. Its totient is φ = 55357242010.

The previous prime is 55357241993. The next prime is 55357242023. The reversal of 55357242011 is 11024275355.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55357242011 is a prime.

It is not a weakly prime, because it can be changed into another prime (55357242041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27678621005 + 27678621006.

It is an arithmetic number, because the mean of its divisors is an integer number (27678621006).

Almost surely, 2^55357242011 is an apocalyptic number.

55357242011 is a deficient number, since it is larger than the sum of its proper divisors (1).

55357242011 is an equidigital number, since it uses as much as digits as its factorization.

55357242011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 42000, while the sum is 35.

The spelling of 55357242011 in words is "fifty-five billion, three hundred fifty-seven million, two hundred forty-two thousand, eleven".