53867668 has 6 divisors (see below), whose sum is σ = 94268426. Its totient is φ = 26933832.

The previous prime is 53867659. The next prime is 53867683. The reversal of 53867668 is 86676835.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 33779344 + 20088324 = 5812^2 + 4482^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6733455 + ... + 6733462.

Almost surely, 2^53867668 is an apocalyptic number.

It is an amenable number.

53867668 is a deficient number, since it is larger than the sum of its proper divisors (40400758).

53867668 is a wasteful number, since it uses less digits than its factorization.

53867668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13466921 (or 13466919 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 49.

The square root of 53867668 is about 7339.4596531352. The cubic root of 53867668 is about 377.6673070942.

The spelling of 53867668 in words is "fifty-three million, eight hundred sixty-seven thousand, six hundred sixty-eight".