55530554747 has 2 divisors, whose sum is σ = 55530554748. Its totient is φ = 55530554746.

The previous prime is 55530554731. The next prime is 55530554753. The reversal of 55530554747 is 74745503555.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55530554747 - 2⁴ = 55530554731 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 55530554695 and 55530554704.

It is not a weakly prime, because it can be changed into another prime (55530554347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27765277373 + 27765277374.

It is an arithmetic number, because the mean of its divisors is an integer number (27765277374).

Almost surely, 2^55530554747 is an apocalyptic number.

55530554747 is a deficient number, since it is larger than the sum of its proper divisors (1).

55530554747 is an equidigital number, since it uses as much as digits as its factorization.

55530554747 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7350000, while the sum is 50.

The spelling of 55530554747 in words is "fifty-five billion, five hundred thirty million, five hundred fifty-four thousand, seven hundred forty-seven".