55076965747 has 2 divisors, whose sum is σ = 55076965748. Its totient is φ = 55076965746.

The previous prime is 55076965661. The next prime is 55076965771. The reversal of 55076965747 is 74756967055.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55076965747 is a prime.

It is a super-2 number, since 2×55076965747² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (55076965247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27538482873 + 27538482874.

It is an arithmetic number, because the mean of its divisors is an integer number (27538482874).

Almost surely, 2^55076965747 is an apocalyptic number.

55076965747 is a deficient number, since it is larger than the sum of its proper divisors (1).

55076965747 is an equidigital number, since it uses as much as digits as its factorization.

55076965747 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 55566000, while the sum is 61.

The spelling of 55076965747 in words is "fifty-five billion, seventy-six million, nine hundred sixty-five thousand, seven hundred forty-seven".