53967516 has 12 divisors (see below), whose sum is σ = 125924232. Its totient is φ = 17989168.

The previous prime is 53967509. The next prime is 53967527. The reversal of 53967516 is 61576935.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-3 number, since 3×53967516³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2248635 + ... + 2248658.

It is an arithmetic number, because the mean of its divisors is an integer number (10493686).

Almost surely, 2^53967516 is an apocalyptic number.

It is an amenable number.

53967516 is an abundant number, since it is smaller than the sum of its proper divisors (71956716).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53967516 is a wasteful number, since it uses less digits than its factorization.

53967516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4497300 (or 4497298 counting only the distinct ones).

The product of its digits is 170100, while the sum is 42.

The square root of 53967516 is about 7346.2586396070. The cubic root of 53967516 is about 377.9005085151.

The spelling of 53967516 in words is "fifty-three million, nine hundred sixty-seven thousand, five hundred sixteen".