52177689 has 12 divisors (see below), whose sum is σ = 78159536. Its totient is φ = 34784964.

The previous prime is 52177679. The next prime is 52177691. The reversal of 52177689 is 98677125.

It is not a de Polignac number, because 52177689 - 2⁴ = 52177673 is a prime.

It is a super-2 number, since 2×52177689² = 5445022458761442, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (52177669) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 107119 + ... + 107604.

Almost surely, 2^52177689 is an apocalyptic number.

It is an amenable number.

52177689 is a deficient number, since it is larger than the sum of its proper divisors (25981847).

52177689 is an equidigital number, since it uses as much as digits as its factorization.

52177689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214738 (or 214726 counting only the distinct ones).

The product of its digits is 211680, while the sum is 45.

The square root of 52177689 is about 7223.4125591717. The cubic root of 52177689 is about 373.6757773291.

It can be divided in two parts, 521 and 77689, that added together give a triangular number (78210 = T₃₉₅).

The spelling of 52177689 in words is "fifty-two million, one hundred seventy-seven thousand, six hundred eighty-nine".