52517977 has 2 divisors, whose sum is σ = 52517978. Its totient is φ = 52517976.

The previous prime is 52517897. The next prime is 52517987. The reversal of 52517977 is 77971525.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 49970761 + 2547216 = 7069^2 + 1596^2 .

It is a cyclic number.

It is not a de Polignac number, because 52517977 - 2⁷ = 52517849 is a prime.

It is not a weakly prime, because it can be changed into another prime (52517987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26258988 + 26258989.

It is an arithmetic number, because the mean of its divisors is an integer number (26258989).

Almost surely, 2^52517977 is an apocalyptic number.

It is an amenable number.

52517977 is a deficient number, since it is larger than the sum of its proper divisors (1).

52517977 is an equidigital number, since it uses as much as digits as its factorization.

52517977 is an evil number, because the sum of its binary digits is even.

The product of its digits is 154350, while the sum is 43.

The square root of 52517977 is about 7246.9287977736. The cubic root of 52517977 is about 374.4863533595.

The spelling of 52517977 in words is "fifty-two million, five hundred seventeen thousand, nine hundred seventy-seven".