52971977 has 2 divisors, whose sum is σ = 52971978. Its totient is φ = 52971976.

The previous prime is 52971937. The next prime is 52972037. The reversal of 52971977 is 77917925.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44769481 + 8202496 = 6691^2 + 2864^2 .

It is a cyclic number.

It is not a de Polignac number, because 52971977 - 2¹⁴ = 52955593 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (52971907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26485988 + 26485989.

It is an arithmetic number, because the mean of its divisors is an integer number (26485989).

Almost surely, 2^52971977 is an apocalyptic number.

It is an amenable number.

52971977 is a deficient number, since it is larger than the sum of its proper divisors (1).

52971977 is an equidigital number, since it uses as much as digits as its factorization.

52971977 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 277830, while the sum is 47.

The square root of 52971977 is about 7278.1850072666. The cubic root of 52971977 is about 375.5623609862.

The spelling of 52971977 in words is "fifty-two million, nine hundred seventy-one thousand, nine hundred seventy-seven".