55415005073 has 2 divisors, whose sum is σ = 55415005074. Its totient is φ = 55415005072.

The previous prime is 55415005031. The next prime is 55415005091. The reversal of 55415005073 is 37050051455.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 32966575489 + 22448429584 = 181567^2 + 149828^2 .

It is a cyclic number.

It is not a de Polignac number, because 55415005073 - 2²⁸ = 55146569617 is a prime.

It is not a weakly prime, because it can be changed into another prime (55415005013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27707502536 + 27707502537.

It is an arithmetic number, because the mean of its divisors is an integer number (27707502537).

Almost surely, 2^55415005073 is an apocalyptic number.

It is an amenable number.

55415005073 is a deficient number, since it is larger than the sum of its proper divisors (1).

55415005073 is an equidigital number, since it uses as much as digits as its factorization.

55415005073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 52500, while the sum is 35.

The spelling of 55415005073 in words is "fifty-five billion, four hundred fifteen million, five thousand, seventy-three".