55028002577 has 2 divisors, whose sum is σ = 55028002578. Its totient is φ = 55028002576.

The previous prime is 55028002553. The next prime is 55028002633. The reversal of 55028002577 is 77520082055.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41977453456 + 13050549121 = 204884^2 + 114239^2 .

It is a cyclic number.

It is not a de Polignac number, because 55028002577 - 2³⁰ = 53954260753 is a prime.

It is a super-2 number, since 2×55028002577² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (55028002537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27514001288 + 27514001289.

It is an arithmetic number, because the mean of its divisors is an integer number (27514001289).

Almost surely, 2^55028002577 is an apocalyptic number.

It is an amenable number.

55028002577 is a deficient number, since it is larger than the sum of its proper divisors (1).

55028002577 is an equidigital number, since it uses as much as digits as its factorization.

55028002577 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 196000, while the sum is 41.

The spelling of 55028002577 in words is "fifty-five billion, twenty-eight million, two thousand, five hundred seventy-seven".