53611607 has 8 divisors (see below), whose sum is σ = 61813536. Its totient is φ = 45545472.

The previous prime is 53611577. The next prime is 53611639. The reversal of 53611607 is 70611635.

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

It is not a de Polignac number, because 53611607 - 2¹⁶ = 53546071 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 53611607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53611697) 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, 33098 + ... + 34679.

It is an arithmetic number, because the mean of its divisors is an integer number (7726692).

Almost surely, 2^53611607 is an apocalyptic number.

53611607 is a deficient number, since it is larger than the sum of its proper divisors (8201929).

53611607 is a wasteful number, since it uses less digits than its factorization.

53611607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67897.

The product of its (nonzero) digits is 3780, while the sum is 29.

The square root of 53611607 is about 7321.9947418719. The cubic root of 53611607 is about 377.0679401088.

The spelling of 53611607 in words is "fifty-three million, six hundred eleven thousand, six hundred seven".