52777777505507 has 2 divisors, whose sum is σ = 52777777505508. Its totient is φ = 52777777505506.

The previous prime is 52777777505503. The next prime is 52777777505539. The reversal of 52777777505507 is 70550577777725.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 52777777505507 - 2² = 52777777505503 is a prime.

It is not a weakly prime, because it can be changed into another prime (52777777505503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26388888752753 + 26388888752754.

It is an arithmetic number, because the mean of its divisors is an integer number (26388888752754).

Almost surely, 2^{52777777505507} is an apocalyptic number.

52777777505507 is a deficient number, since it is larger than the sum of its proper divisors (1).

52777777505507 is an equidigital number, since it uses as much as digits as its factorization.

52777777505507 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1029428750, while the sum is 71.

The spelling of 52777777505507 in words is "fifty-two trillion, seven hundred seventy-seven billion, seven hundred seventy-seven million, five hundred five thousand, five hundred seven".