52505779 has 2 divisors, whose sum is σ = 52505780. Its totient is φ = 52505778.

The previous prime is 52505773. The next prime is 52505801. The reversal of 52505779 is 97750525.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 52505779 - 2¹³ = 52497587 is a prime.

It is not a weakly prime, because it can be changed into another prime (52505773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26252889 + 26252890.

It is an arithmetic number, because the mean of its divisors is an integer number (26252890).

Almost surely, 2^52505779 is an apocalyptic number.

52505779 is a deficient number, since it is larger than the sum of its proper divisors (1).

52505779 is an equidigital number, since it uses as much as digits as its factorization.

52505779 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 110250, while the sum is 40.

The square root of 52505779 is about 7246.0871510078. The cubic root of 52505779 is about 374.4573579659.

The spelling of 52505779 in words is "fifty-two million, five hundred five thousand, seven hundred seventy-nine".