53609870 has 8 divisors (see below), whose sum is σ = 96497784. Its totient is φ = 21443944.

The previous prime is 53609867. The next prime is 53609873. The reversal of 53609870 is 7890635.

It is an interprime number because it is at equal distance from previous prime (53609867) and next prime (53609873).

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

It is a super-2 number, since 2×53609870² = 5748036322833800, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53609873) 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 in 3 ways as a sum of consecutive naturals, for example, 2680484 + ... + 2680503.

It is an arithmetic number, because the mean of its divisors is an integer number (12062223).

Almost surely, 2^53609870 is an apocalyptic number.

53609870 is a deficient number, since it is larger than the sum of its proper divisors (42887914).

53609870 is a wasteful number, since it uses less digits than its factorization.

53609870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5360994.

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 53609870 is about 7321.8761256935. The cubic root of 53609870 is about 377.0638677687.

The spelling of 53609870 in words is "fifty-three million, six hundred nine thousand, eight hundred seventy".