55845736747 has 2 divisors, whose sum is σ = 55845736748. Its totient is φ = 55845736746.

The previous prime is 55845736733. The next prime is 55845736829. The reversal of 55845736747 is 74763754855.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55845736747 - 2³⁵ = 21485998379 is a prime.

It is a super-2 number, since 2×55845736747² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (55845736717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27922868373 + 27922868374.

It is an arithmetic number, because the mean of its divisors is an integer number (27922868374).

Almost surely, 2^55845736747 is an apocalyptic number.

55845736747 is a deficient number, since it is larger than the sum of its proper divisors (1).

55845736747 is an equidigital number, since it uses as much as digits as its factorization.

55845736747 is an evil number, because the sum of its binary digits is even.

The product of its digits is 98784000, while the sum is 61.

The spelling of 55845736747 in words is "fifty-five billion, eight hundred forty-five million, seven hundred thirty-six thousand, seven hundred forty-seven".