53166637 has 8 divisors (see below), whose sum is σ = 53702936. Its totient is φ = 52633152.

The previous prime is 53166629. The next prime is 53166649. The reversal of 53166637 is 73666135.

It can be written as a sum of positive squares in 4 ways, for example, as 546121 + 52620516 = 739^2 + 7254^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 53166637 - 2³ = 53166629 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 53166596 and 53166605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53166697) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61903 + ... + 62755.

It is an arithmetic number, because the mean of its divisors is an integer number (6712867).

Almost surely, 2^53166637 is an apocalyptic number.

It is an amenable number.

53166637 is a deficient number, since it is larger than the sum of its proper divisors (536299).

53166637 is a wasteful number, since it uses less digits than its factorization.

53166637 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1407.

The product of its digits is 68040, while the sum is 37.

The square root of 53166637 is about 7291.5455837566. The cubic root of 53166637 is about 376.0218341214.

The spelling of 53166637 in words is "fifty-three million, one hundred sixty-six thousand, six hundred thirty-seven".